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Finding the Fourth Proportional to 951.35, 1,312.27 and 652.46

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Solution

The fourth proportional to 951.35, 1,312.27 and 652.46 is: 899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.35 : 1,312.27 = 652.46 : x
  2. Step 2: Convert to fraction form
    951.35/1,312.27 = 652.46/x
  3. Step 3: Cross multiply
    951.35x = 1,312.27 × 652.46
  4. Step 4: Simplify right side
    951.35x = 856,195.49
  5. Step 5: Solve for x
    x = 856,195.49/951.35
  6. Step 6: Final answer
    x = 899.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.