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Finding the Fourth Proportional to 583,920.80, 876,010.80 and 268,301.60

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Solution

The fourth proportional to 583,920.80, 876,010.80 and 268,301.60 is: 402,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,920.80 : 876,010.80 = 268,301.60 : x
  2. Step 2: Convert to fraction form
    583,920.80/876,010.80 = 268,301.60/x
  3. Step 3: Cross multiply
    583,920.80x = 876,010.80 × 268,301.60
  4. Step 4: Simplify right side
    583,920.80x = 235,035,099,257.28
  5. Step 5: Solve for x
    x = 235,035,099,257.28/583,920.80
  6. Step 6: Final answer
    x = 402,511.95

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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.