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Finding the Fourth Proportional to 609,887.61, 914,876.34 and 160,605.36

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Solution

The fourth proportional to 609,887.61, 914,876.34 and 160,605.36 is: 240,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,887.61 : 914,876.34 = 160,605.36 : x
  2. Step 2: Convert to fraction form
    609,887.61/914,876.34 = 160,605.36/x
  3. Step 3: Cross multiply
    609,887.61x = 914,876.34 × 160,605.36
  4. Step 4: Simplify right side
    609,887.61x = 146,934,043,941.18
  5. Step 5: Solve for x
    x = 146,934,043,941.18/609,887.61
  6. Step 6: Final answer
    x = 240,919.87

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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.