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Finding the Fourth Proportional to 239,633.86, 330,458.52 and 185,899.24

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Solution

The fourth proportional to 239,633.86, 330,458.52 and 185,899.24 is: 256,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,633.86 : 330,458.52 = 185,899.24 : x
  2. Step 2: Convert to fraction form
    239,633.86/330,458.52 = 185,899.24/x
  3. Step 3: Cross multiply
    239,633.86x = 330,458.52 × 185,899.24
  4. Step 4: Simplify right side
    239,633.86x = 61,431,987,719.52
  5. Step 5: Solve for x
    x = 61,431,987,719.52/239,633.86
  6. Step 6: Final answer
    x = 256,357.71

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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.