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Finding the Fourth Proportional to 372,410.04, 558,282.82 and 309,744.26

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Solution

The fourth proportional to 372,410.04, 558,282.82 and 309,744.26 is: 464,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,410.04 : 558,282.82 = 309,744.26 : x
  2. Step 2: Convert to fraction form
    372,410.04/558,282.82 = 309,744.26/x
  3. Step 3: Cross multiply
    372,410.04x = 558,282.82 × 309,744.26
  4. Step 4: Simplify right side
    372,410.04x = 172,924,898,951.61
  5. Step 5: Solve for x
    x = 172,924,898,951.61/372,410.04
  6. Step 6: Final answer
    x = 464,340.06

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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.