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Finding the Fourth Proportional to 543,229.08, 749,648.79 and 301,510.95

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Solution

The fourth proportional to 543,229.08, 749,648.79 and 301,510.95 is: 416,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,229.08 : 749,648.79 = 301,510.95 : x
  2. Step 2: Convert to fraction form
    543,229.08/749,648.79 = 301,510.95/x
  3. Step 3: Cross multiply
    543,229.08x = 749,648.79 × 301,510.95
  4. Step 4: Simplify right side
    543,229.08x = 226,027,318,839.25
  5. Step 5: Solve for x
    x = 226,027,318,839.25/543,229.08
  6. Step 6: Final answer
    x = 416,081.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.