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Finding the Fourth Proportional to 294,229.32, 441,212.64 and 83,818.05

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Solution

The fourth proportional to 294,229.32, 441,212.64 and 83,818.05 is: 125,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,229.32 : 441,212.64 = 83,818.05 : x
  2. Step 2: Convert to fraction form
    294,229.32/441,212.64 = 83,818.05/x
  3. Step 3: Cross multiply
    294,229.32x = 441,212.64 × 83,818.05
  4. Step 4: Simplify right side
    294,229.32x = 36,981,583,120.15
  5. Step 5: Solve for x
    x = 36,981,583,120.15/294,229.32
  6. Step 6: Final answer
    x = 125,689.66

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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.