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Finding the Fourth Proportional to 1,049.96, 1,573.98 and 472.52

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Solution

The fourth proportional to 1,049.96, 1,573.98 and 472.52 is: 708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.96 : 1,573.98 = 472.52 : x
  2. Step 2: Convert to fraction form
    1,049.96/1,573.98 = 472.52/x
  3. Step 3: Cross multiply
    1,049.96x = 1,573.98 × 472.52
  4. Step 4: Simplify right side
    1,049.96x = 743,737.03
  5. Step 5: Solve for x
    x = 743,737.03/1,049.96
  6. Step 6: Final answer
    x = 708.35

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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.