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Finding the Fourth Proportional to 461,162.13, 636,403.73 and 259,958.13

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Solution

The fourth proportional to 461,162.13, 636,403.73 and 259,958.13 is: 358,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,162.13 : 636,403.73 = 259,958.13 : x
  2. Step 2: Convert to fraction form
    461,162.13/636,403.73 = 259,958.13/x
  3. Step 3: Cross multiply
    461,162.13x = 636,403.73 × 259,958.13
  4. Step 4: Simplify right side
    461,162.13x = 165,438,323,575.83
  5. Step 5: Solve for x
    x = 165,438,323,575.83/461,162.13
  6. Step 6: Final answer
    x = 358,742.21

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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.