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Finding the Fourth Proportional to 558,476.82, 838,065.15 and 226,052.82

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Solution

The fourth proportional to 558,476.82, 838,065.15 and 226,052.82 is: 339,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,476.82 : 838,065.15 = 226,052.82 : x
  2. Step 2: Convert to fraction form
    558,476.82/838,065.15 = 226,052.82/x
  3. Step 3: Cross multiply
    558,476.82x = 838,065.15 × 226,052.82
  4. Step 4: Simplify right side
    558,476.82x = 189,446,990,501.22
  5. Step 5: Solve for x
    x = 189,446,990,501.22/558,476.82
  6. Step 6: Final answer
    x = 339,220.87

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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.