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Finding the Fourth Proportional to 951.18, 1,427.13 and 334.95

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Solution

The fourth proportional to 951.18, 1,427.13 and 334.95 is: 502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.18 : 1,427.13 = 334.95 : x
  2. Step 2: Convert to fraction form
    951.18/1,427.13 = 334.95/x
  3. Step 3: Cross multiply
    951.18x = 1,427.13 × 334.95
  4. Step 4: Simplify right side
    951.18x = 478,017.19
  5. Step 5: Solve for x
    x = 478,017.19/951.18
  6. Step 6: Final answer
    x = 502.55

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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.