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Finding the Fourth Proportional to 366,976.80, 550,465.20 and 227,008.80

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Solution

The fourth proportional to 366,976.80, 550,465.20 and 227,008.80 is: 340,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,976.80 : 550,465.20 = 227,008.80 : x
  2. Step 2: Convert to fraction form
    366,976.80/550,465.20 = 227,008.80/x
  3. Step 3: Cross multiply
    366,976.80x = 550,465.20 × 227,008.80
  4. Step 4: Simplify right side
    366,976.80x = 124,960,444,493.76
  5. Step 5: Solve for x
    x = 124,960,444,493.76/366,976.80
  6. Step 6: Final answer
    x = 340,513.20

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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.