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Finding the Fourth Proportional to 324,017.57, 447,144.48 and 180,777.71

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Solution

The fourth proportional to 324,017.57, 447,144.48 and 180,777.71 is: 249,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,017.57 : 447,144.48 = 180,777.71 : x
  2. Step 2: Convert to fraction form
    324,017.57/447,144.48 = 180,777.71/x
  3. Step 3: Cross multiply
    324,017.57x = 447,144.48 × 180,777.71
  4. Step 4: Simplify right side
    324,017.57x = 80,833,752,897.82
  5. Step 5: Solve for x
    x = 80,833,752,897.82/324,017.57
  6. Step 6: Final answer
    x = 249,473.37

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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.