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Finding the Fourth Proportional to 473.32, 706.22 and 462.36

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Solution

The fourth proportional to 473.32, 706.22 and 462.36 is: 689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.32 : 706.22 = 462.36 : x
  2. Step 2: Convert to fraction form
    473.32/706.22 = 462.36/x
  3. Step 3: Cross multiply
    473.32x = 706.22 × 462.36
  4. Step 4: Simplify right side
    473.32x = 326,527.88
  5. Step 5: Solve for x
    x = 326,527.88/473.32
  6. Step 6: Final answer
    x = 689.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.