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Finding the Fourth Proportional to 582,003.20, 873,004.80 and 245,423.90

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Solution

The fourth proportional to 582,003.20, 873,004.80 and 245,423.90 is: 368,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,003.20 : 873,004.80 = 245,423.90 : x
  2. Step 2: Convert to fraction form
    582,003.20/873,004.80 = 245,423.90/x
  3. Step 3: Cross multiply
    582,003.20x = 873,004.80 × 245,423.90
  4. Step 4: Simplify right side
    582,003.20x = 214,256,242,734.72
  5. Step 5: Solve for x
    x = 214,256,242,734.72/582,003.20
  6. Step 6: Final answer
    x = 368,135.85

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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.