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Finding the Fourth Proportional to 1,512.57, 2,269.00 and 588.20

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Solution

The fourth proportional to 1,512.57, 2,269.00 and 588.20 is: 882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.57 : 2,269.00 = 588.20 : x
  2. Step 2: Convert to fraction form
    1,512.57/2,269.00 = 588.20/x
  3. Step 3: Cross multiply
    1,512.57x = 2,269.00 × 588.20
  4. Step 4: Simplify right side
    1,512.57x = 1,334,615.77
  5. Step 5: Solve for x
    x = 1,334,615.77/1,512.57
  6. Step 6: Final answer
    x = 882.35

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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.