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Finding the Fourth Proportional to 550,139.13, 825,120.12 and 150,686.48

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Solution

The fourth proportional to 550,139.13, 825,120.12 and 150,686.48 is: 226,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,139.13 : 825,120.12 = 150,686.48 : x
  2. Step 2: Convert to fraction form
    550,139.13/825,120.12 = 150,686.48/x
  3. Step 3: Cross multiply
    550,139.13x = 825,120.12 × 150,686.48
  4. Step 4: Simplify right side
    550,139.13x = 124,334,449,087.85
  5. Step 5: Solve for x
    x = 124,334,449,087.85/550,139.13
  6. Step 6: Final answer
    x = 226,005.46

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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.