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Finding the Fourth Proportional to 488,454.66, 731,420.16 and 337,118.85

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Solution

The fourth proportional to 488,454.66, 731,420.16 and 337,118.85 is: 504,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,454.66 : 731,420.16 = 337,118.85 : x
  2. Step 2: Convert to fraction form
    488,454.66/731,420.16 = 337,118.85/x
  3. Step 3: Cross multiply
    488,454.66x = 731,420.16 × 337,118.85
  4. Step 4: Simplify right side
    488,454.66x = 246,575,523,206.02
  5. Step 5: Solve for x
    x = 246,575,523,206.02/488,454.66
  6. Step 6: Final answer
    x = 504,807.39

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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.