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Finding the Fourth Proportional to 609,357.65, 840,913.03 and 337,425.53

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Solution

The fourth proportional to 609,357.65, 840,913.03 and 337,425.53 is: 465,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,357.65 : 840,913.03 = 337,425.53 : x
  2. Step 2: Convert to fraction form
    609,357.65/840,913.03 = 337,425.53/x
  3. Step 3: Cross multiply
    609,357.65x = 840,913.03 × 337,425.53
  4. Step 4: Simplify right side
    609,357.65x = 283,745,526,090.38
  5. Step 5: Solve for x
    x = 283,745,526,090.38/609,357.65
  6. Step 6: Final answer
    x = 465,646.94

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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.