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Finding the Fourth Proportional to 463,987.20, 695,575.80 and 179,871.60

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Solution

The fourth proportional to 463,987.20, 695,575.80 and 179,871.60 is: 269,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,987.20 : 695,575.80 = 179,871.60 : x
  2. Step 2: Convert to fraction form
    463,987.20/695,575.80 = 179,871.60/x
  3. Step 3: Cross multiply
    463,987.20x = 695,575.80 × 179,871.60
  4. Step 4: Simplify right side
    463,987.20x = 125,114,332,067.28
  5. Step 5: Solve for x
    x = 125,114,332,067.28/463,987.20
  6. Step 6: Final answer
    x = 269,650.40

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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.