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Finding the Fourth Proportional to 270,349.80, 404,934.06 and 137,001.12

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Solution

The fourth proportional to 270,349.80, 404,934.06 and 137,001.12 is: 205,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,349.80 : 404,934.06 = 137,001.12 : x
  2. Step 2: Convert to fraction form
    270,349.80/404,934.06 = 137,001.12/x
  3. Step 3: Cross multiply
    270,349.80x = 404,934.06 × 137,001.12
  4. Step 4: Simplify right side
    270,349.80x = 55,476,419,746.15
  5. Step 5: Solve for x
    x = 55,476,419,746.15/270,349.80
  6. Step 6: Final answer
    x = 205,202.37

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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.