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Finding the Fourth Proportional to 461,160.48, 636,395.76 and 259,956.48

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Solution

The fourth proportional to 461,160.48, 636,395.76 and 259,956.48 is: 358,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,160.48 : 636,395.76 = 259,956.48 : x
  2. Step 2: Convert to fraction form
    461,160.48/636,395.76 = 259,956.48/x
  3. Step 3: Cross multiply
    461,160.48x = 636,395.76 × 259,956.48
  4. Step 4: Simplify right side
    461,160.48x = 165,435,201,656.53
  5. Step 5: Solve for x
    x = 165,435,201,656.53/461,160.48
  6. Step 6: Final answer
    x = 358,736.73

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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.