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Finding the Fourth Proportional to 608,446.85, 910,920.68 and 372,250.85

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Solution

The fourth proportional to 608,446.85, 910,920.68 and 372,250.85 is: 557,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,446.85 : 910,920.68 = 372,250.85 : x
  2. Step 2: Convert to fraction form
    608,446.85/910,920.68 = 372,250.85/x
  3. Step 3: Cross multiply
    608,446.85x = 910,920.68 × 372,250.85
  4. Step 4: Simplify right side
    608,446.85x = 339,090,995,551.32
  5. Step 5: Solve for x
    x = 339,090,995,551.32/608,446.85
  6. Step 6: Final answer
    x = 557,305.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.