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Finding the Fourth Proportional to 444,139.81, 666,463.68 and 187,952.20

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Solution

The fourth proportional to 444,139.81, 666,463.68 and 187,952.20 is: 282,035.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,139.81 : 666,463.68 = 187,952.20 : x
  2. Step 2: Convert to fraction form
    444,139.81/666,463.68 = 187,952.20/x
  3. Step 3: Cross multiply
    444,139.81x = 666,463.68 × 187,952.20
  4. Step 4: Simplify right side
    444,139.81x = 125,263,314,876.10
  5. Step 5: Solve for x
    x = 125,263,314,876.10/444,139.81
  6. Step 6: Final answer
    x = 282,035.77

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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.