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Finding the Fourth Proportional to 1,168.38, 1,751.45 and 474.95

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Solution

The fourth proportional to 1,168.38, 1,751.45 and 474.95 is: 711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.38 : 1,751.45 = 474.95 : x
  2. Step 2: Convert to fraction form
    1,168.38/1,751.45 = 474.95/x
  3. Step 3: Cross multiply
    1,168.38x = 1,751.45 × 474.95
  4. Step 4: Simplify right side
    1,168.38x = 831,840.05
  5. Step 5: Solve for x
    x = 831,840.05/1,168.38
  6. Step 6: Final answer
    x = 711.96

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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.