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Finding the Fourth Proportional to 1,513.44, 2,269.76 and 588.69

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Solution

The fourth proportional to 1,513.44, 2,269.76 and 588.69 is: 882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.44 : 2,269.76 = 588.69 : x
  2. Step 2: Convert to fraction form
    1,513.44/2,269.76 = 588.69/x
  3. Step 3: Cross multiply
    1,513.44x = 2,269.76 × 588.69
  4. Step 4: Simplify right side
    1,513.44x = 1,336,182.07
  5. Step 5: Solve for x
    x = 1,336,182.07/1,513.44
  6. Step 6: Final answer
    x = 882.88

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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.