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Finding the Fourth Proportional to 608,974.86, 840,387.11 and 337,061.64

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Solution

The fourth proportional to 608,974.86, 840,387.11 and 337,061.64 is: 465,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,974.86 : 840,387.11 = 337,061.64 : x
  2. Step 2: Convert to fraction form
    608,974.86/840,387.11 = 337,061.64/x
  3. Step 3: Cross multiply
    608,974.86x = 840,387.11 × 337,061.64
  4. Step 4: Simplify right side
    608,974.86x = 283,262,255,846.15
  5. Step 5: Solve for x
    x = 283,262,255,846.15/608,974.86
  6. Step 6: Final answer
    x = 465,146.06

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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.