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Finding the Fourth Proportional to 521,690.80, 782,704.16 and 237,483.04

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Solution

The fourth proportional to 521,690.80, 782,704.16 and 237,483.04 is: 356,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,690.80 : 782,704.16 = 237,483.04 : x
  2. Step 2: Convert to fraction form
    521,690.80/782,704.16 = 237,483.04/x
  3. Step 3: Cross multiply
    521,690.80x = 782,704.16 × 237,483.04
  4. Step 4: Simplify right side
    521,690.80x = 185,878,963,337.45
  5. Step 5: Solve for x
    x = 185,878,963,337.45/521,690.80
  6. Step 6: Final answer
    x = 356,301.02

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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.