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Finding the Fourth Proportional to 465,502.36, 698,559.72 and 255,287.92

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Solution

The fourth proportional to 465,502.36, 698,559.72 and 255,287.92 is: 383,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,502.36 : 698,559.72 = 255,287.92 : x
  2. Step 2: Convert to fraction form
    465,502.36/698,559.72 = 255,287.92/x
  3. Step 3: Cross multiply
    465,502.36x = 698,559.72 × 255,287.92
  4. Step 4: Simplify right side
    465,502.36x = 178,333,857,914.58
  5. Step 5: Solve for x
    x = 178,333,857,914.58/465,502.36
  6. Step 6: Final answer
    x = 383,099.79

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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.