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Finding the Fourth Proportional to 451,291.92, 676,762.86 and 240,815.04

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Solution

The fourth proportional to 451,291.92, 676,762.86 and 240,815.04 is: 361,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,291.92 : 676,762.86 = 240,815.04 : x
  2. Step 2: Convert to fraction form
    451,291.92/676,762.86 = 240,815.04/x
  3. Step 3: Cross multiply
    451,291.92x = 676,762.86 × 240,815.04
  4. Step 4: Simplify right side
    451,291.92x = 162,974,675,201.41
  5. Step 5: Solve for x
    x = 162,974,675,201.41/451,291.92
  6. Step 6: Final answer
    x = 361,129.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.