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Finding the Fourth Proportional to 461,339.28, 636,663.92 and 267,732.09

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Solution

The fourth proportional to 461,339.28, 636,663.92 and 267,732.09 is: 369,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,339.28 : 636,663.92 = 267,732.09 : x
  2. Step 2: Convert to fraction form
    461,339.28/636,663.92 = 267,732.09/x
  3. Step 3: Cross multiply
    461,339.28x = 636,663.92 × 267,732.09
  4. Step 4: Simplify right side
    461,339.28x = 170,455,360,590.53
  5. Step 5: Solve for x
    x = 170,455,360,590.53/461,339.28
  6. Step 6: Final answer
    x = 369,479.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.