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Finding the Fourth Proportional to 451,246.68, 676,871.58 and 114,287.16

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Solution

The fourth proportional to 451,246.68, 676,871.58 and 114,287.16 is: 171,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,246.68 : 676,871.58 = 114,287.16 : x
  2. Step 2: Convert to fraction form
    451,246.68/676,871.58 = 114,287.16/x
  3. Step 3: Cross multiply
    451,246.68x = 676,871.58 × 114,287.16
  4. Step 4: Simplify right side
    451,246.68x = 77,357,730,562.91
  5. Step 5: Solve for x
    x = 77,357,730,562.91/451,246.68
  6. Step 6: Final answer
    x = 171,431.14

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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.