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Finding the Fourth Proportional to 467,471.52, 645,535.58 and 352,553.31

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Solution

The fourth proportional to 467,471.52, 645,535.58 and 352,553.31 is: 486,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,471.52 : 645,535.58 = 352,553.31 : x
  2. Step 2: Convert to fraction form
    467,471.52/645,535.58 = 352,553.31/x
  3. Step 3: Cross multiply
    467,471.52x = 645,535.58 × 352,553.31
  4. Step 4: Simplify right side
    467,471.52x = 227,585,703,689.00
  5. Step 5: Solve for x
    x = 227,585,703,689.00/467,471.52
  6. Step 6: Final answer
    x = 486,844.00

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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.