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Finding the Fourth Proportional to 576,257.67, 866,279.61 and 534,640.68

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Solution

The fourth proportional to 576,257.67, 866,279.61 and 534,640.68 is: 803,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,257.67 : 866,279.61 = 534,640.68 : x
  2. Step 2: Convert to fraction form
    576,257.67/866,279.61 = 534,640.68/x
  3. Step 3: Cross multiply
    576,257.67x = 866,279.61 × 534,640.68
  4. Step 4: Simplify right side
    576,257.67x = 463,148,319,760.54
  5. Step 5: Solve for x
    x = 463,148,319,760.54/576,257.67
  6. Step 6: Final answer
    x = 803,717.41

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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.