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Finding the Fourth Proportional to 575,542.92, 862,575.56 and 275,574

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Solution

The fourth proportional to 575,542.92, 862,575.56 and 275,574 is: 413,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,542.92 : 862,575.56 = 275,574 : x
  2. Step 2: Convert to fraction form
    575,542.92/862,575.56 = 275,574/x
  3. Step 3: Cross multiply
    575,542.92x = 862,575.56 × 275,574
  4. Step 4: Simplify right side
    575,542.92x = 237,703,397,371.44
  5. Step 5: Solve for x
    x = 237,703,397,371.44/575,542.92
  6. Step 6: Final answer
    x = 413,007.25

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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.