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Finding the Fourth Proportional to 534,211.80, 801,314.68 and 134,850.93

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Solution

The fourth proportional to 534,211.80, 801,314.68 and 134,850.93 is: 202,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,211.80 : 801,314.68 = 134,850.93 : x
  2. Step 2: Convert to fraction form
    534,211.80/801,314.68 = 134,850.93/x
  3. Step 3: Cross multiply
    534,211.80x = 801,314.68 × 134,850.93
  4. Step 4: Simplify right side
    534,211.80x = 108,058,029,820.65
  5. Step 5: Solve for x
    x = 108,058,029,820.65/534,211.80
  6. Step 6: Final answer
    x = 202,275.63

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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.