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Finding the Fourth Proportional to 387,204.76, 580,805.52 and 150,712.36

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Solution

The fourth proportional to 387,204.76, 580,805.52 and 150,712.36 is: 226,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,204.76 : 580,805.52 = 150,712.36 : x
  2. Step 2: Convert to fraction form
    387,204.76/580,805.52 = 150,712.36/x
  3. Step 3: Cross multiply
    387,204.76x = 580,805.52 × 150,712.36
  4. Step 4: Simplify right side
    387,204.76x = 87,534,570,620.23
  5. Step 5: Solve for x
    x = 87,534,570,620.23/387,204.76
  6. Step 6: Final answer
    x = 226,067.91

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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.