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Finding the Fourth Proportional to 538,874.56, 743,612.52 and 297,158.68

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Solution

The fourth proportional to 538,874.56, 743,612.52 and 297,158.68 is: 410,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,874.56 : 743,612.52 = 297,158.68 : x
  2. Step 2: Convert to fraction form
    538,874.56/743,612.52 = 297,158.68/x
  3. Step 3: Cross multiply
    538,874.56x = 743,612.52 × 297,158.68
  4. Step 4: Simplify right side
    538,874.56x = 220,970,914,874.67
  5. Step 5: Solve for x
    x = 220,970,914,874.67/538,874.56
  6. Step 6: Final answer
    x = 410,060.02

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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.