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Finding the Fourth Proportional to 367,384.80, 550,639.80 and 154,152.30

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Solution

The fourth proportional to 367,384.80, 550,639.80 and 154,152.30 is: 231,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,384.80 : 550,639.80 = 154,152.30 : x
  2. Step 2: Convert to fraction form
    367,384.80/550,639.80 = 154,152.30/x
  3. Step 3: Cross multiply
    367,384.80x = 550,639.80 × 154,152.30
  4. Step 4: Simplify right side
    367,384.80x = 84,882,391,641.54
  5. Step 5: Solve for x
    x = 84,882,391,641.54/367,384.80
  6. Step 6: Final answer
    x = 231,044.92

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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.