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Finding the Fourth Proportional to 330,249.66, 455,744.53 and 179,346.66

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Solution

The fourth proportional to 330,249.66, 455,744.53 and 179,346.66 is: 247,498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,249.66 : 455,744.53 = 179,346.66 : x
  2. Step 2: Convert to fraction form
    330,249.66/455,744.53 = 179,346.66/x
  3. Step 3: Cross multiply
    330,249.66x = 455,744.53 × 179,346.66
  4. Step 4: Simplify right side
    330,249.66x = 81,736,256,775.09
  5. Step 5: Solve for x
    x = 81,736,256,775.09/330,249.66
  6. Step 6: Final answer
    x = 247,498.39

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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.