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Finding the Fourth Proportional to 337,801.78, 506,703.48 and 274,320.46

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Solution

The fourth proportional to 337,801.78, 506,703.48 and 274,320.46 is: 411,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,801.78 : 506,703.48 = 274,320.46 : x
  2. Step 2: Convert to fraction form
    337,801.78/506,703.48 = 274,320.46/x
  3. Step 3: Cross multiply
    337,801.78x = 506,703.48 × 274,320.46
  4. Step 4: Simplify right side
    337,801.78x = 138,999,131,717.20
  5. Step 5: Solve for x
    x = 138,999,131,717.20/337,801.78
  6. Step 6: Final answer
    x = 411,481.35

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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.