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Finding the Fourth Proportional to 558,297.11, 770,202.92 and 343,310.15

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Solution

The fourth proportional to 558,297.11, 770,202.92 and 343,310.15 is: 473,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,297.11 : 770,202.92 = 343,310.15 : x
  2. Step 2: Convert to fraction form
    558,297.11/770,202.92 = 343,310.15/x
  3. Step 3: Cross multiply
    558,297.11x = 770,202.92 × 343,310.15
  4. Step 4: Simplify right side
    558,297.11x = 264,418,474,428.07
  5. Step 5: Solve for x
    x = 264,418,474,428.07/558,297.11
  6. Step 6: Final answer
    x = 473,616.06

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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.