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Finding the Fourth Proportional to 550,786.28, 826,162.14 and 156,802.28

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Solution

The fourth proportional to 550,786.28, 826,162.14 and 156,802.28 is: 235,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,786.28 : 826,162.14 = 156,802.28 : x
  2. Step 2: Convert to fraction form
    550,786.28/826,162.14 = 156,802.28/x
  3. Step 3: Cross multiply
    550,786.28x = 826,162.14 × 156,802.28
  4. Step 4: Simplify right side
    550,786.28x = 129,544,107,201.68
  5. Step 5: Solve for x
    x = 129,544,107,201.68/550,786.28
  6. Step 6: Final answer
    x = 235,198.50

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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.