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Finding the Fourth Proportional to 609,081.65, 840,522.50 and 337,143.71

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Solution

The fourth proportional to 609,081.65, 840,522.50 and 337,143.71 is: 465,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,081.65 : 840,522.50 = 337,143.71 : x
  2. Step 2: Convert to fraction form
    609,081.65/840,522.50 = 337,143.71/x
  3. Step 3: Cross multiply
    609,081.65x = 840,522.50 × 337,143.71
  4. Step 4: Simplify right side
    609,081.65x = 283,376,868,810.21
  5. Step 5: Solve for x
    x = 283,376,868,810.21/609,081.65
  6. Step 6: Final answer
    x = 465,252.68

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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.