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Finding the Fourth Proportional to 615,805.60, 923,708.40 and 531,824.80

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Solution

The fourth proportional to 615,805.60, 923,708.40 and 531,824.80 is: 797,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,805.60 : 923,708.40 = 531,824.80 : x
  2. Step 2: Convert to fraction form
    615,805.60/923,708.40 = 531,824.80/x
  3. Step 3: Cross multiply
    615,805.60x = 923,708.40 × 531,824.80
  4. Step 4: Simplify right side
    615,805.60x = 491,251,035,088.32
  5. Step 5: Solve for x
    x = 491,251,035,088.32/615,805.60
  6. Step 6: Final answer
    x = 797,737.20

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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.