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Finding the Fourth Proportional to 377,854.20, 566,125.20 and 318,805.20

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Solution

The fourth proportional to 377,854.20, 566,125.20 and 318,805.20 is: 477,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,854.20 : 566,125.20 = 318,805.20 : x
  2. Step 2: Convert to fraction form
    377,854.20/566,125.20 = 318,805.20/x
  3. Step 3: Cross multiply
    377,854.20x = 566,125.20 × 318,805.20
  4. Step 4: Simplify right side
    377,854.20x = 180,483,657,611.04
  5. Step 5: Solve for x
    x = 180,483,657,611.04/377,854.20
  6. Step 6: Final answer
    x = 477,654.23

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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.