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Finding the Fourth Proportional to 458,332.08, 687,487.52 and 269,987.24

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Solution

The fourth proportional to 458,332.08, 687,487.52 and 269,987.24 is: 404,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,332.08 : 687,487.52 = 269,987.24 : x
  2. Step 2: Convert to fraction form
    458,332.08/687,487.52 = 269,987.24/x
  3. Step 3: Cross multiply
    458,332.08x = 687,487.52 × 269,987.24
  4. Step 4: Simplify right side
    458,332.08x = 185,612,858,059.25
  5. Step 5: Solve for x
    x = 185,612,858,059.25/458,332.08
  6. Step 6: Final answer
    x = 404,974.62

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1.5x scale

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.