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Finding the Fourth Proportional to 322,331.80, 483,327.60 and 109,026.40

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Solution

The fourth proportional to 322,331.80, 483,327.60 and 109,026.40 is: 163,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,331.80 : 483,327.60 = 109,026.40 : x
  2. Step 2: Convert to fraction form
    322,331.80/483,327.60 = 109,026.40/x
  3. Step 3: Cross multiply
    322,331.80x = 483,327.60 × 109,026.40
  4. Step 4: Simplify right side
    322,331.80x = 52,695,468,248.64
  5. Step 5: Solve for x
    x = 52,695,468,248.64/322,331.80
  6. Step 6: Final answer
    x = 163,482.06

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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.