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Finding the Fourth Proportional to 558,291.78, 836,770.53 and 202,889.70

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Solution

The fourth proportional to 558,291.78, 836,770.53 and 202,889.70 is: 304,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,291.78 : 836,770.53 = 202,889.70 : x
  2. Step 2: Convert to fraction form
    558,291.78/836,770.53 = 202,889.70/x
  3. Step 3: Cross multiply
    558,291.78x = 836,770.53 × 202,889.70
  4. Step 4: Simplify right side
    558,291.78x = 169,772,121,800.54
  5. Step 5: Solve for x
    x = 169,772,121,800.54/558,291.78
  6. Step 6: Final answer
    x = 304,092.10

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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.