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Finding the Fourth Proportional to 330,272.82, 455,779.17 and 179,370.90

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Solution

The fourth proportional to 330,272.82, 455,779.17 and 179,370.90 is: 247,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,272.82 : 455,779.17 = 179,370.90 : x
  2. Step 2: Convert to fraction form
    330,272.82/455,779.17 = 179,370.90/x
  3. Step 3: Cross multiply
    330,272.82x = 455,779.17 × 179,370.90
  4. Step 4: Simplify right side
    330,272.82x = 81,753,519,924.15
  5. Step 5: Solve for x
    x = 81,753,519,924.15/330,272.82
  6. Step 6: Final answer
    x = 247,533.30

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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.