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Finding the Fourth Proportional to 304,757.44, 457,209.15 and 127,165.66

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Solution

The fourth proportional to 304,757.44, 457,209.15 and 127,165.66 is: 190,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,757.44 : 457,209.15 = 127,165.66 : x
  2. Step 2: Convert to fraction form
    304,757.44/457,209.15 = 127,165.66/x
  3. Step 3: Cross multiply
    304,757.44x = 457,209.15 × 127,165.66
  4. Step 4: Simplify right side
    304,757.44x = 58,141,303,317.79
  5. Step 5: Solve for x
    x = 58,141,303,317.79/304,757.44
  6. Step 6: Final answer
    x = 190,778.95

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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.