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Finding the Fourth Proportional to 605,614.72, 908,797.92 and 411,292.48

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Solution

The fourth proportional to 605,614.72, 908,797.92 and 411,292.48 is: 617,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,614.72 : 908,797.92 = 411,292.48 : x
  2. Step 2: Convert to fraction form
    605,614.72/908,797.92 = 411,292.48/x
  3. Step 3: Cross multiply
    605,614.72x = 908,797.92 × 411,292.48
  4. Step 4: Simplify right side
    605,614.72x = 373,781,750,335.64
  5. Step 5: Solve for x
    x = 373,781,750,335.64/605,614.72
  6. Step 6: Final answer
    x = 617,193.97

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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.