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Finding the Fourth Proportional to 609,134.78, 840,595.93 and 337,196.93

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Solution

The fourth proportional to 609,134.78, 840,595.93 and 337,196.93 is: 465,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,134.78 : 840,595.93 = 337,196.93 : x
  2. Step 2: Convert to fraction form
    609,134.78/840,595.93 = 337,196.93/x
  3. Step 3: Cross multiply
    609,134.78x = 840,595.93 × 337,196.93
  4. Step 4: Simplify right side
    609,134.78x = 283,446,361,920.52
  5. Step 5: Solve for x
    x = 283,446,361,920.52/609,134.78
  6. Step 6: Final answer
    x = 465,326.18

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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.