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Finding the Fourth Proportional to 360,005.38, 539,986.06 and 149,645.14

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Solution

The fourth proportional to 360,005.38, 539,986.06 and 149,645.14 is: 224,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,005.38 : 539,986.06 = 149,645.14 : x
  2. Step 2: Convert to fraction form
    360,005.38/539,986.06 = 149,645.14/x
  3. Step 3: Cross multiply
    360,005.38x = 539,986.06 × 149,645.14
  4. Step 4: Simplify right side
    360,005.38x = 80,806,288,383.84
  5. Step 5: Solve for x
    x = 80,806,288,383.84/360,005.38
  6. Step 6: Final answer
    x = 224,458.56

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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.