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Finding the Fourth Proportional to 330,054.54, 455,476.23 and 179,151.54

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Solution

The fourth proportional to 330,054.54, 455,476.23 and 179,151.54 is: 247,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,054.54 : 455,476.23 = 179,151.54 : x
  2. Step 2: Convert to fraction form
    330,054.54/455,476.23 = 179,151.54/x
  3. Step 3: Cross multiply
    330,054.54x = 455,476.23 × 179,151.54
  4. Step 4: Simplify right side
    330,054.54x = 81,599,268,037.89
  5. Step 5: Solve for x
    x = 81,599,268,037.89/330,054.54
  6. Step 6: Final answer
    x = 247,229.65

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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.