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Finding the Fourth Proportional to 461,498.86, 636,925.44 and 267,865.12

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Solution

The fourth proportional to 461,498.86, 636,925.44 and 267,865.12 is: 369,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,498.86 : 636,925.44 = 267,865.12 : x
  2. Step 2: Convert to fraction form
    461,498.86/636,925.44 = 267,865.12/x
  3. Step 3: Cross multiply
    461,498.86x = 636,925.44 × 267,865.12
  4. Step 4: Simplify right side
    461,498.86x = 170,610,109,416.65
  5. Step 5: Solve for x
    x = 170,610,109,416.65/461,498.86
  6. Step 6: Final answer
    x = 369,686.96

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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.