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Finding the Fourth Proportional to 220,480.56, 304,266.24 and 119,878.56

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Solution

The fourth proportional to 220,480.56, 304,266.24 and 119,878.56 is: 165,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,480.56 : 304,266.24 = 119,878.56 : x
  2. Step 2: Convert to fraction form
    220,480.56/304,266.24 = 119,878.56/x
  3. Step 3: Cross multiply
    220,480.56x = 304,266.24 × 119,878.56
  4. Step 4: Simplify right side
    220,480.56x = 36,474,998,707.81
  5. Step 5: Solve for x
    x = 36,474,998,707.81/220,480.56
  6. Step 6: Final answer
    x = 165,434.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.