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Finding the Fourth Proportional to 637,385.20, 955,057.20 and 337,474.60

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Solution

The fourth proportional to 637,385.20, 955,057.20 and 337,474.60 is: 505,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,385.20 : 955,057.20 = 337,474.60 : x
  2. Step 2: Convert to fraction form
    637,385.20/955,057.20 = 337,474.60/x
  3. Step 3: Cross multiply
    637,385.20x = 955,057.20 × 337,474.60
  4. Step 4: Simplify right side
    637,385.20x = 322,307,546,547.12
  5. Step 5: Solve for x
    x = 322,307,546,547.12/637,385.20
  6. Step 6: Final answer
    x = 505,671.53

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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.