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Finding the Fourth Proportional to 366,996.13, 550,362.12 and 127,044.85

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Solution

The fourth proportional to 366,996.13, 550,362.12 and 127,044.85 is: 190,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,996.13 : 550,362.12 = 127,044.85 : x
  2. Step 2: Convert to fraction form
    366,996.13/550,362.12 = 127,044.85/x
  3. Step 3: Cross multiply
    366,996.13x = 550,362.12 × 127,044.85
  4. Step 4: Simplify right side
    366,996.13x = 69,920,672,981.08
  5. Step 5: Solve for x
    x = 69,920,672,981.08/366,996.13
  6. Step 6: Final answer
    x = 190,521.55

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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.