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Finding the Fourth Proportional to 693.34, 1,037.17 and 632.52

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Solution

The fourth proportional to 693.34, 1,037.17 and 632.52 is: 946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.34 : 1,037.17 = 632.52 : x
  2. Step 2: Convert to fraction form
    693.34/1,037.17 = 632.52/x
  3. Step 3: Cross multiply
    693.34x = 1,037.17 × 632.52
  4. Step 4: Simplify right side
    693.34x = 656,024.11
  5. Step 5: Solve for x
    x = 656,024.11/693.34
  6. Step 6: Final answer
    x = 946.18

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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.