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Finding the Fourth Proportional to 294,005.35, 441,229.97 and 215,323.57

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Solution

The fourth proportional to 294,005.35, 441,229.97 and 215,323.57 is: 323,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,005.35 : 441,229.97 = 215,323.57 : x
  2. Step 2: Convert to fraction form
    294,005.35/441,229.97 = 215,323.57/x
  3. Step 3: Cross multiply
    294,005.35x = 441,229.97 × 215,323.57
  4. Step 4: Simplify right side
    294,005.35x = 95,007,212,331.39
  5. Step 5: Solve for x
    x = 95,007,212,331.39/294,005.35
  6. Step 6: Final answer
    x = 323,147.90

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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.