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Finding the Fourth Proportional to 366,926.80, 550,390.20 and 323,624.20

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Solution

The fourth proportional to 366,926.80, 550,390.20 and 323,624.20 is: 485,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,926.80 : 550,390.20 = 323,624.20 : x
  2. Step 2: Convert to fraction form
    366,926.80/550,390.20 = 323,624.20/x
  3. Step 3: Cross multiply
    366,926.80x = 550,390.20 × 323,624.20
  4. Step 4: Simplify right side
    366,926.80x = 178,119,588,162.84
  5. Step 5: Solve for x
    x = 178,119,588,162.84/366,926.80
  6. Step 6: Final answer
    x = 485,436.30

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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.