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Finding the Fourth Proportional to 487,404.60, 730,825.48 and 150,354.76

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Solution

The fourth proportional to 487,404.60, 730,825.48 and 150,354.76 is: 225,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,404.60 : 730,825.48 = 150,354.76 : x
  2. Step 2: Convert to fraction form
    487,404.60/730,825.48 = 150,354.76/x
  3. Step 3: Cross multiply
    487,404.60x = 730,825.48 × 150,354.76
  4. Step 4: Simplify right side
    487,404.60x = 109,883,085,241.38
  5. Step 5: Solve for x
    x = 109,883,085,241.38/487,404.60
  6. Step 6: Final answer
    x = 225,445.32

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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.