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Finding the Fourth Proportional to 324,000.74, 447,119.88 and 180,760.70

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Solution

The fourth proportional to 324,000.74, 447,119.88 and 180,760.70 is: 249,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,000.74 : 447,119.88 = 180,760.70 : x
  2. Step 2: Convert to fraction form
    324,000.74/447,119.88 = 180,760.70/x
  3. Step 3: Cross multiply
    324,000.74x = 447,119.88 × 180,760.70
  4. Step 4: Simplify right side
    324,000.74x = 80,821,702,492.72
  5. Step 5: Solve for x
    x = 80,821,702,492.72/324,000.74
  6. Step 6: Final answer
    x = 249,449.13

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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.