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Finding the Fourth Proportional to 461,156.48, 636,390.24 and 259,952.48

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Solution

The fourth proportional to 461,156.48, 636,390.24 and 259,952.48 is: 358,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,156.48 : 636,390.24 = 259,952.48 : x
  2. Step 2: Convert to fraction form
    461,156.48/636,390.24 = 259,952.48/x
  3. Step 3: Cross multiply
    461,156.48x = 636,390.24 × 259,952.48
  4. Step 4: Simplify right side
    461,156.48x = 165,431,221,135.80
  5. Step 5: Solve for x
    x = 165,431,221,135.80/461,156.48
  6. Step 6: Final answer
    x = 358,731.21

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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.