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Finding the Fourth Proportional to 327,641.58, 452,230.92 and 200,423.70

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Solution

The fourth proportional to 327,641.58, 452,230.92 and 200,423.70 is: 276,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,641.58 : 452,230.92 = 200,423.70 : x
  2. Step 2: Convert to fraction form
    327,641.58/452,230.92 = 200,423.70/x
  3. Step 3: Cross multiply
    327,641.58x = 452,230.92 × 200,423.70
  4. Step 4: Simplify right side
    327,641.58x = 90,637,794,240.80
  5. Step 5: Solve for x
    x = 90,637,794,240.80/327,641.58
  6. Step 6: Final answer
    x = 276,637.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.