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Finding the Fourth Proportional to 330,235.56, 455,727.60 and 179,332.56

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Solution

The fourth proportional to 330,235.56, 455,727.60 and 179,332.56 is: 247,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,235.56 : 455,727.60 = 179,332.56 : x
  2. Step 2: Convert to fraction form
    330,235.56/455,727.60 = 179,332.56/x
  3. Step 3: Cross multiply
    330,235.56x = 455,727.60 × 179,332.56
  4. Step 4: Simplify right side
    330,235.56x = 81,726,797,170.66
  5. Step 5: Solve for x
    x = 81,726,797,170.66/330,235.56
  6. Step 6: Final answer
    x = 247,480.31

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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.