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Finding the Fourth Proportional to 697.35, 962.24 and 417.52

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Solution

The fourth proportional to 697.35, 962.24 and 417.52 is: 576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.35 : 962.24 = 417.52 : x
  2. Step 2: Convert to fraction form
    697.35/962.24 = 417.52/x
  3. Step 3: Cross multiply
    697.35x = 962.24 × 417.52
  4. Step 4: Simplify right side
    697.35x = 401,753.56
  5. Step 5: Solve for x
    x = 401,753.56/697.35
  6. Step 6: Final answer
    x = 576.12

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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.