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Finding the Fourth Proportional to 325,061.60, 487,592.40 and 296,031.20

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Solution

The fourth proportional to 325,061.60, 487,592.40 and 296,031.20 is: 444,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,061.60 : 487,592.40 = 296,031.20 : x
  2. Step 2: Convert to fraction form
    325,061.60/487,592.40 = 296,031.20/x
  3. Step 3: Cross multiply
    325,061.60x = 487,592.40 × 296,031.20
  4. Step 4: Simplify right side
    325,061.60x = 144,342,563,282.88
  5. Step 5: Solve for x
    x = 144,342,563,282.88/325,061.60
  6. Step 6: Final answer
    x = 444,046.80

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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.