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Finding the Fourth Proportional to 1,165.92, 1,748.04 and 472.56

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Solution

The fourth proportional to 1,165.92, 1,748.04 and 472.56 is: 708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.92 : 1,748.04 = 472.56 : x
  2. Step 2: Convert to fraction form
    1,165.92/1,748.04 = 472.56/x
  3. Step 3: Cross multiply
    1,165.92x = 1,748.04 × 472.56
  4. Step 4: Simplify right side
    1,165.92x = 826,053.78
  5. Step 5: Solve for x
    x = 826,053.78/1,165.92
  6. Step 6: Final answer
    x = 708.50

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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.