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Finding the Fourth Proportional to 373,350.88, 515,213.12 and 212,223.52

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Solution

The fourth proportional to 373,350.88, 515,213.12 and 212,223.52 is: 292,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,350.88 : 515,213.12 = 212,223.52 : x
  2. Step 2: Convert to fraction form
    373,350.88/515,213.12 = 212,223.52/x
  3. Step 3: Cross multiply
    373,350.88x = 515,213.12 × 212,223.52
  4. Step 4: Simplify right side
    373,350.88x = 109,340,341,876.58
  5. Step 5: Solve for x
    x = 109,340,341,876.58/373,350.88
  6. Step 6: Final answer
    x = 292,862.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.