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Finding the Fourth Proportional to 475.16, 712.80 and 167.04

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Solution

The fourth proportional to 475.16, 712.80 and 167.04 is: 250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.16 : 712.80 = 167.04 : x
  2. Step 2: Convert to fraction form
    475.16/712.80 = 167.04/x
  3. Step 3: Cross multiply
    475.16x = 712.80 × 167.04
  4. Step 4: Simplify right side
    475.16x = 119,066.11
  5. Step 5: Solve for x
    x = 119,066.11/475.16
  6. Step 6: Final answer
    x = 250.58

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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.