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Finding the Fourth Proportional to 1,049.52, 1,573.76 and 355.92

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Solution

The fourth proportional to 1,049.52, 1,573.76 and 355.92 is: 533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.52 : 1,573.76 = 355.92 : x
  2. Step 2: Convert to fraction form
    1,049.52/1,573.76 = 355.92/x
  3. Step 3: Cross multiply
    1,049.52x = 1,573.76 × 355.92
  4. Step 4: Simplify right side
    1,049.52x = 560,132.66
  5. Step 5: Solve for x
    x = 560,132.66/1,049.52
  6. Step 6: Final answer
    x = 533.70

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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.