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Finding the Fourth Proportional to 558,250.53, 770,057.77 and 351,189.65

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Solution

The fourth proportional to 558,250.53, 770,057.77 and 351,189.65 is: 484,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,250.53 : 770,057.77 = 351,189.65 : x
  2. Step 2: Convert to fraction form
    558,250.53/770,057.77 = 351,189.65/x
  3. Step 3: Cross multiply
    558,250.53x = 770,057.77 × 351,189.65
  4. Step 4: Simplify right side
    558,250.53x = 270,436,318,726.08
  5. Step 5: Solve for x
    x = 270,436,318,726.08/558,250.53
  6. Step 6: Final answer
    x = 484,435.40

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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.