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Finding the Fourth Proportional to 324,137.55, 447,291.62 and 180,906.82

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Solution

The fourth proportional to 324,137.55, 447,291.62 and 180,906.82 is: 249,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,137.55 : 447,291.62 = 180,906.82 : x
  2. Step 2: Convert to fraction form
    324,137.55/447,291.62 = 180,906.82/x
  3. Step 3: Cross multiply
    324,137.55x = 447,291.62 × 180,906.82
  4. Step 4: Simplify right side
    324,137.55x = 80,918,103,242.49
  5. Step 5: Solve for x
    x = 80,918,103,242.49/324,137.55
  6. Step 6: Final answer
    x = 249,641.25

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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.