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Finding the Fourth Proportional to 1,034.68, 1,552.08 and 265.18

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Solution

The fourth proportional to 1,034.68, 1,552.08 and 265.18 is: 397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.68 : 1,552.08 = 265.18 : x
  2. Step 2: Convert to fraction form
    1,034.68/1,552.08 = 265.18/x
  3. Step 3: Cross multiply
    1,034.68x = 1,552.08 × 265.18
  4. Step 4: Simplify right side
    1,034.68x = 411,580.57
  5. Step 5: Solve for x
    x = 411,580.57/1,034.68
  6. Step 6: Final answer
    x = 397.79

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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.