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Finding the Fourth Proportional to 307,885.28, 424,952.52 and 180,601.88

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Solution

The fourth proportional to 307,885.28, 424,952.52 and 180,601.88 is: 249,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,885.28 : 424,952.52 = 180,601.88 : x
  2. Step 2: Convert to fraction form
    307,885.28/424,952.52 = 180,601.88/x
  3. Step 3: Cross multiply
    307,885.28x = 424,952.52 × 180,601.88
  4. Step 4: Simplify right side
    307,885.28x = 76,747,224,022.74
  5. Step 5: Solve for x
    x = 76,747,224,022.74/307,885.28
  6. Step 6: Final answer
    x = 249,272.14

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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.