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Finding the Fourth Proportional to 367,170.34, 550,630.77 and 127,228.24

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Solution

The fourth proportional to 367,170.34, 550,630.77 and 127,228.24 is: 190,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,170.34 : 550,630.77 = 127,228.24 : x
  2. Step 2: Convert to fraction form
    367,170.34/550,630.77 = 127,228.24/x
  3. Step 3: Cross multiply
    367,170.34x = 550,630.77 × 127,228.24
  4. Step 4: Simplify right side
    367,170.34x = 70,055,783,756.94
  5. Step 5: Solve for x
    x = 70,055,783,756.94/367,170.34
  6. Step 6: Final answer
    x = 190,799.14

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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.