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Finding the Fourth Proportional to 286,833.30, 395,791.56 and 159,484.38

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Solution

The fourth proportional to 286,833.30, 395,791.56 and 159,484.38 is: 220,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,833.30 : 395,791.56 = 159,484.38 : x
  2. Step 2: Convert to fraction form
    286,833.30/395,791.56 = 159,484.38/x
  3. Step 3: Cross multiply
    286,833.30x = 395,791.56 × 159,484.38
  4. Step 4: Simplify right side
    286,833.30x = 63,122,571,555.83
  5. Step 5: Solve for x
    x = 63,122,571,555.83/286,833.30
  6. Step 6: Final answer
    x = 220,067.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.