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Finding the Fourth Proportional to 469.38, 703.93 and 176.66

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Solution

The fourth proportional to 469.38, 703.93 and 176.66 is: 264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.38 : 703.93 = 176.66 : x
  2. Step 2: Convert to fraction form
    469.38/703.93 = 176.66/x
  3. Step 3: Cross multiply
    469.38x = 703.93 × 176.66
  4. Step 4: Simplify right side
    469.38x = 124,358.75
  5. Step 5: Solve for x
    x = 124,358.75/469.38
  6. Step 6: Final answer
    x = 264.95

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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.