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Finding the Fourth Proportional to 323,924.67, 447,015.78 and 180,684.66

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Solution

The fourth proportional to 323,924.67, 447,015.78 and 180,684.66 is: 249,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,924.67 : 447,015.78 = 180,684.66 : x
  2. Step 2: Convert to fraction form
    323,924.67/447,015.78 = 180,684.66/x
  3. Step 3: Cross multiply
    323,924.67x = 447,015.78 × 180,684.66
  4. Step 4: Simplify right side
    323,924.67x = 80,768,894,223.93
  5. Step 5: Solve for x
    x = 80,768,894,223.93/323,924.67
  6. Step 6: Final answer
    x = 249,344.68

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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.