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Finding the Fourth Proportional to 360,169.20, 539,476.20 and 297,961.20

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Solution

The fourth proportional to 360,169.20, 539,476.20 and 297,961.20 is: 446,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,169.20 : 539,476.20 = 297,961.20 : x
  2. Step 2: Convert to fraction form
    360,169.20/539,476.20 = 297,961.20/x
  3. Step 3: Cross multiply
    360,169.20x = 539,476.20 × 297,961.20
  4. Step 4: Simplify right side
    360,169.20x = 160,742,975,923.44
  5. Step 5: Solve for x
    x = 160,742,975,923.44/360,169.20
  6. Step 6: Final answer
    x = 446,298.51

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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.