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Finding the Fourth Proportional to 705,691.26, 1,058,203.26 and 273,610.89

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Solution

The fourth proportional to 705,691.26, 1,058,203.26 and 273,610.89 is: 410,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,691.26 : 1,058,203.26 = 273,610.89 : x
  2. Step 2: Convert to fraction form
    705,691.26/1,058,203.26 = 273,610.89/x
  3. Step 3: Cross multiply
    705,691.26x = 1,058,203.26 × 273,610.89
  4. Step 4: Simplify right side
    705,691.26x = 289,535,935,769.50
  5. Step 5: Solve for x
    x = 289,535,935,769.50/705,691.26
  6. Step 6: Final answer
    x = 410,286.98

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Double scale
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Similar ratio
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1.5x scale

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.