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Finding the Fourth Proportional to 366,870.80, 550,306.20 and 323,568.20

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Solution

The fourth proportional to 366,870.80, 550,306.20 and 323,568.20 is: 485,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,870.80 : 550,306.20 = 323,568.20 : x
  2. Step 2: Convert to fraction form
    366,870.80/550,306.20 = 323,568.20/x
  3. Step 3: Cross multiply
    366,870.80x = 550,306.20 × 323,568.20
  4. Step 4: Simplify right side
    366,870.80x = 178,061,586,582.84
  5. Step 5: Solve for x
    x = 178,061,586,582.84/366,870.80
  6. Step 6: Final answer
    x = 485,352.30

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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.