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Finding the Fourth Proportional to 615,937.60, 921,832.80 and 566,171.20

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Solution

The fourth proportional to 615,937.60, 921,832.80 and 566,171.20 is: 847,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,937.60 : 921,832.80 = 566,171.20 : x
  2. Step 2: Convert to fraction form
    615,937.60/921,832.80 = 566,171.20/x
  3. Step 3: Cross multiply
    615,937.60x = 921,832.80 × 566,171.20
  4. Step 4: Simplify right side
    615,937.60x = 521,915,182,575.36
  5. Step 5: Solve for x
    x = 521,915,182,575.36/615,937.60
  6. Step 6: Final answer
    x = 847,350.74

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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.