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Finding the Fourth Proportional to 356,112.68, 534,249.02 and 119,449.30

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Solution

The fourth proportional to 356,112.68, 534,249.02 and 119,449.30 is: 179,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,112.68 : 534,249.02 = 119,449.30 : x
  2. Step 2: Convert to fraction form
    356,112.68/534,249.02 = 119,449.30/x
  3. Step 3: Cross multiply
    356,112.68x = 534,249.02 × 119,449.30
  4. Step 4: Simplify right side
    356,112.68x = 63,815,671,464.69
  5. Step 5: Solve for x
    x = 63,815,671,464.69/356,112.68
  6. Step 6: Final answer
    x = 179,200.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.