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Finding the Fourth Proportional to 324,422.28, 486,520.71 and 180,547.65

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Solution

The fourth proportional to 324,422.28, 486,520.71 and 180,547.65 is: 270,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,422.28 : 486,520.71 = 180,547.65 : x
  2. Step 2: Convert to fraction form
    324,422.28/486,520.71 = 180,547.65/x
  3. Step 3: Cross multiply
    324,422.28x = 486,520.71 × 180,547.65
  4. Step 4: Simplify right side
    324,422.28x = 87,840,170,866.83
  5. Step 5: Solve for x
    x = 87,840,170,866.83/324,422.28
  6. Step 6: Final answer
    x = 270,758.75

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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.