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Finding the Fourth Proportional to 360,299.24, 540,265.24 and 120,326.82

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Solution

The fourth proportional to 360,299.24, 540,265.24 and 120,326.82 is: 180,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,299.24 : 540,265.24 = 120,326.82 : x
  2. Step 2: Convert to fraction form
    360,299.24/540,265.24 = 120,326.82/x
  3. Step 3: Cross multiply
    360,299.24x = 540,265.24 × 120,326.82
  4. Step 4: Simplify right side
    360,299.24x = 65,008,396,410.15
  5. Step 5: Solve for x
    x = 65,008,396,410.15/360,299.24
  6. Step 6: Final answer
    x = 180,428.90

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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.