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Finding the Fourth Proportional to 360,785.19, 497,476.11 and 269,849.73

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Solution

The fourth proportional to 360,785.19, 497,476.11 and 269,849.73 is: 372,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,785.19 : 497,476.11 = 269,849.73 : x
  2. Step 2: Convert to fraction form
    360,785.19/497,476.11 = 269,849.73/x
  3. Step 3: Cross multiply
    360,785.19x = 497,476.11 × 269,849.73
  4. Step 4: Simplify right side
    360,785.19x = 134,243,793,964.95
  5. Step 5: Solve for x
    x = 134,243,793,964.95/360,785.19
  6. Step 6: Final answer
    x = 372,087.87

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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.