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Finding the Fourth Proportional to 502,522.40, 752,471.40 and 324,063.20

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Solution

The fourth proportional to 502,522.40, 752,471.40 and 324,063.20 is: 485,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,522.40 : 752,471.40 = 324,063.20 : x
  2. Step 2: Convert to fraction form
    502,522.40/752,471.40 = 324,063.20/x
  3. Step 3: Cross multiply
    502,522.40x = 752,471.40 × 324,063.20
  4. Step 4: Simplify right side
    502,522.40x = 243,848,289,792.48
  5. Step 5: Solve for x
    x = 243,848,289,792.48/502,522.40
  6. Step 6: Final answer
    x = 485,248.60

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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.