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Finding the Fourth Proportional to 582,691,519.20, 874,037,278.80 and 519,202,034.40

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Solution

The fourth proportional to 582,691,519.20, 874,037,278.80 and 519,202,034.40 is: 778,803,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,691,519.20 : 874,037,278.80 = 519,202,034.40 : x
  2. Step 2: Convert to fraction form
    582,691,519.20/874,037,278.80 = 519,202,034.40/x
  3. Step 3: Cross multiply
    582,691,519.20x = 874,037,278.80 × 519,202,034.40
  4. Step 4: Simplify right side
    582,691,519.20x = 453,801,933,294,399,936
  5. Step 5: Solve for x
    x = 453,801,933,294,399,936/582,691,519.20
  6. Step 6: Final answer
    x = 778,803,051.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.