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Finding the Fourth Proportional to 469.29, 703.31 and 237.95

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Solution

The fourth proportional to 469.29, 703.31 and 237.95 is: 356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.29 : 703.31 = 237.95 : x
  2. Step 2: Convert to fraction form
    469.29/703.31 = 237.95/x
  3. Step 3: Cross multiply
    469.29x = 703.31 × 237.95
  4. Step 4: Simplify right side
    469.29x = 167,353.71
  5. Step 5: Solve for x
    x = 167,353.71/469.29
  6. Step 6: Final answer
    x = 356.61

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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.