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Finding the Fourth Proportional to 461,335.53, 636,658.74 and 267,728.34

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Solution

The fourth proportional to 461,335.53, 636,658.74 and 267,728.34 is: 369,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,335.53 : 636,658.74 = 267,728.34 : x
  2. Step 2: Convert to fraction form
    461,335.53/636,658.74 = 267,728.34/x
  3. Step 3: Cross multiply
    461,335.53x = 636,658.74 × 267,728.34
  4. Step 4: Simplify right side
    461,335.53x = 170,451,587,606.69
  5. Step 5: Solve for x
    x = 170,451,587,606.69/461,335.53
  6. Step 6: Final answer
    x = 369,474.23

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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.