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Finding the Fourth Proportional to 757.08, 1,134.54 and 468

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Solution

The fourth proportional to 757.08, 1,134.54 and 468 is: 701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.08 : 1,134.54 = 468 : x
  2. Step 2: Convert to fraction form
    757.08/1,134.54 = 468/x
  3. Step 3: Cross multiply
    757.08x = 1,134.54 × 468
  4. Step 4: Simplify right side
    757.08x = 530,964.72
  5. Step 5: Solve for x
    x = 530,964.72/757.08
  6. Step 6: Final answer
    x = 701.33

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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.