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Finding the Fourth Proportional to 322,357.80, 483,366.60 and 109,052.40

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Solution

The fourth proportional to 322,357.80, 483,366.60 and 109,052.40 is: 163,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,357.80 : 483,366.60 = 109,052.40 : x
  2. Step 2: Convert to fraction form
    322,357.80/483,366.60 = 109,052.40/x
  3. Step 3: Cross multiply
    322,357.80x = 483,366.60 × 109,052.40
  4. Step 4: Simplify right side
    322,357.80x = 52,712,287,809.84
  5. Step 5: Solve for x
    x = 52,712,287,809.84/322,357.80
  6. Step 6: Final answer
    x = 163,521.06

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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.