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Finding the Fourth Proportional to 270,123.70, 406,169.70 and 226,821.10

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Solution

The fourth proportional to 270,123.70, 406,169.70 and 226,821.10 is: 341,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,123.70 : 406,169.70 = 226,821.10 : x
  2. Step 2: Convert to fraction form
    270,123.70/406,169.70 = 226,821.10/x
  3. Step 3: Cross multiply
    270,123.70x = 406,169.70 × 226,821.10
  4. Step 4: Simplify right side
    270,123.70x = 92,127,858,140.67
  5. Step 5: Solve for x
    x = 92,127,858,140.67/270,123.70
  6. Step 6: Final answer
    x = 341,058.03

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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.