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Finding the Fourth Proportional to 423,932.60, 635,898.90 and 366,851.90

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Solution

The fourth proportional to 423,932.60, 635,898.90 and 366,851.90 is: 550,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,932.60 : 635,898.90 = 366,851.90 : x
  2. Step 2: Convert to fraction form
    423,932.60/635,898.90 = 366,851.90/x
  3. Step 3: Cross multiply
    423,932.60x = 635,898.90 × 366,851.90
  4. Step 4: Simplify right side
    423,932.60x = 233,280,719,672.91
  5. Step 5: Solve for x
    x = 233,280,719,672.91/423,932.60
  6. Step 6: Final answer
    x = 550,277.85

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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.