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Finding the Fourth Proportional to 307,744.32, 424,758.01 and 180,460.92

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Solution

The fourth proportional to 307,744.32, 424,758.01 and 180,460.92 is: 249,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,744.32 : 424,758.01 = 180,460.92 : x
  2. Step 2: Convert to fraction form
    307,744.32/424,758.01 = 180,460.92/x
  3. Step 3: Cross multiply
    307,744.32x = 424,758.01 × 180,460.92
  4. Step 4: Simplify right side
    307,744.32x = 76,652,221,261.97
  5. Step 5: Solve for x
    x = 76,652,221,261.97/307,744.32
  6. Step 6: Final answer
    x = 249,077.62

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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.