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Finding the Fourth Proportional to 544,951.20, 752,053.92 and 329,969.76

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Solution

The fourth proportional to 544,951.20, 752,053.92 and 329,969.76 is: 455,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,951.20 : 752,053.92 = 329,969.76 : x
  2. Step 2: Convert to fraction form
    544,951.20/752,053.92 = 329,969.76/x
  3. Step 3: Cross multiply
    544,951.20x = 752,053.92 × 329,969.76
  4. Step 4: Simplify right side
    544,951.20x = 248,155,051,489.46
  5. Step 5: Solve for x
    x = 248,155,051,489.46/544,951.20
  6. Step 6: Final answer
    x = 455,371.14

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1.5x scale

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.