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Finding the Fourth Proportional to 272,023.30, 408,034.95 and 266,191.30

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Solution

The fourth proportional to 272,023.30, 408,034.95 and 266,191.30 is: 399,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,023.30 : 408,034.95 = 266,191.30 : x
  2. Step 2: Convert to fraction form
    272,023.30/408,034.95 = 266,191.30/x
  3. Step 3: Cross multiply
    272,023.30x = 408,034.95 × 266,191.30
  4. Step 4: Simplify right side
    272,023.30x = 108,615,353,785.94
  5. Step 5: Solve for x
    x = 108,615,353,785.94/272,023.30
  6. Step 6: Final answer
    x = 399,286.95

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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.