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Finding the Fourth Proportional to 438,000.60, 656,547.30 and 237,898.20

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Solution

The fourth proportional to 438,000.60, 656,547.30 and 237,898.20 is: 356,600.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,000.60 : 656,547.30 = 237,898.20 : x
  2. Step 2: Convert to fraction form
    438,000.60/656,547.30 = 237,898.20/x
  3. Step 3: Cross multiply
    438,000.60x = 656,547.30 × 237,898.20
  4. Step 4: Simplify right side
    438,000.60x = 156,191,420,884.86
  5. Step 5: Solve for x
    x = 156,191,420,884.86/438,000.60
  6. Step 6: Final answer
    x = 356,600.93

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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.