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Finding the Fourth Proportional to 582,077.80, 873,116.70 and 512,093.80

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Solution

The fourth proportional to 582,077.80, 873,116.70 and 512,093.80 is: 768,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,077.80 : 873,116.70 = 512,093.80 : x
  2. Step 2: Convert to fraction form
    582,077.80/873,116.70 = 512,093.80/x
  3. Step 3: Cross multiply
    582,077.80x = 873,116.70 × 512,093.80
  4. Step 4: Simplify right side
    582,077.80x = 447,117,648,746.46
  5. Step 5: Solve for x
    x = 447,117,648,746.46/582,077.80
  6. Step 6: Final answer
    x = 768,140.70

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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.