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Finding the Fourth Proportional to 697.46, 962.52 and 431.95

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Solution

The fourth proportional to 697.46, 962.52 and 431.95 is: 596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.46 : 962.52 = 431.95 : x
  2. Step 2: Convert to fraction form
    697.46/962.52 = 431.95/x
  3. Step 3: Cross multiply
    697.46x = 962.52 × 431.95
  4. Step 4: Simplify right side
    697.46x = 415,753.54
  5. Step 5: Solve for x
    x = 415,753.54/697.46
  6. Step 6: Final answer
    x = 596.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.