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Finding the Fourth Proportional to 650,375.13, 896,921.34 and 558,463.15

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Solution

The fourth proportional to 650,375.13, 896,921.34 and 558,463.15 is: 770,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,375.13 : 896,921.34 = 558,463.15 : x
  2. Step 2: Convert to fraction form
    650,375.13/896,921.34 = 558,463.15/x
  3. Step 3: Cross multiply
    650,375.13x = 896,921.34 × 558,463.15
  4. Step 4: Simplify right side
    650,375.13x = 500,897,515,865.54
  5. Step 5: Solve for x
    x = 500,897,515,865.54/650,375.13
  6. Step 6: Final answer
    x = 770,167.08

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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.