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Finding the Fourth Proportional to 608,926.64, 840,320.31 and 337,013.24

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Solution

The fourth proportional to 608,926.64, 840,320.31 and 337,013.24 is: 465,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,926.64 : 840,320.31 = 337,013.24 : x
  2. Step 2: Convert to fraction form
    608,926.64/840,320.31 = 337,013.24/x
  3. Step 3: Cross multiply
    608,926.64x = 840,320.31 × 337,013.24
  4. Step 4: Simplify right side
    608,926.64x = 283,199,070,310.90
  5. Step 5: Solve for x
    x = 283,199,070,310.90/608,926.64
  6. Step 6: Final answer
    x = 465,079.13

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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.