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Finding the Fourth Proportional to 416,581.31, 624,871.97 and 117,049.79

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Solution

The fourth proportional to 416,581.31, 624,871.97 and 117,049.79 is: 175,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,581.31 : 624,871.97 = 117,049.79 : x
  2. Step 2: Convert to fraction form
    416,581.31/624,871.97 = 117,049.79/x
  3. Step 3: Cross multiply
    416,581.31x = 624,871.97 × 117,049.79
  4. Step 4: Simplify right side
    416,581.31x = 73,141,129,155.78
  5. Step 5: Solve for x
    x = 73,141,129,155.78/416,581.31
  6. Step 6: Final answer
    x = 175,574.68

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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.