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Finding the Fourth Proportional to 614,900.97, 922,631.69 and 315,591.73

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Solution

The fourth proportional to 614,900.97, 922,631.69 and 315,591.73 is: 473,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,900.97 : 922,631.69 = 315,591.73 : x
  2. Step 2: Convert to fraction form
    614,900.97/922,631.69 = 315,591.73/x
  3. Step 3: Cross multiply
    614,900.97x = 922,631.69 × 315,591.73
  4. Step 4: Simplify right side
    614,900.97x = 291,174,929,682.32
  5. Step 5: Solve for x
    x = 291,174,929,682.32/614,900.97
  6. Step 6: Final answer
    x = 473,531.42

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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.