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Finding the Fourth Proportional to 521,730.80, 782,764.16 and 237,523.04

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Solution

The fourth proportional to 521,730.80, 782,764.16 and 237,523.04 is: 356,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,730.80 : 782,764.16 = 237,523.04 : x
  2. Step 2: Convert to fraction form
    521,730.80/782,764.16 = 237,523.04/x
  3. Step 3: Cross multiply
    521,730.80x = 782,764.16 × 237,523.04
  4. Step 4: Simplify right side
    521,730.80x = 185,924,522,886.25
  5. Step 5: Solve for x
    x = 185,924,522,886.25/521,730.80
  6. Step 6: Final answer
    x = 356,361.03

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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.