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Finding the Fourth Proportional to 770,324.64, 1,155,251.52 and 271,572

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Solution

The fourth proportional to 770,324.64, 1,155,251.52 and 271,572 is: 407,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,324.64 : 1,155,251.52 = 271,572 : x
  2. Step 2: Convert to fraction form
    770,324.64/1,155,251.52 = 271,572/x
  3. Step 3: Cross multiply
    770,324.64x = 1,155,251.52 × 271,572
  4. Step 4: Simplify right side
    770,324.64x = 313,733,965,789.44
  5. Step 5: Solve for x
    x = 313,733,965,789.44/770,324.64
  6. Step 6: Final answer
    x = 407,275.00

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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.