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Finding the Fourth Proportional to 311,569.38, 467,166.88 and 121,803.73

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Solution

The fourth proportional to 311,569.38, 467,166.88 and 121,803.73 is: 182,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,569.38 : 467,166.88 = 121,803.73 : x
  2. Step 2: Convert to fraction form
    311,569.38/467,166.88 = 121,803.73/x
  3. Step 3: Cross multiply
    311,569.38x = 467,166.88 × 121,803.73
  4. Step 4: Simplify right side
    311,569.38x = 56,902,668,516.46
  5. Step 5: Solve for x
    x = 56,902,668,516.46/311,569.38
  6. Step 6: Final answer
    x = 182,632.42

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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.