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Finding the Fourth Proportional to 597,169.50, 824,641.60 and 379,449.90

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Solution

The fourth proportional to 597,169.50, 824,641.60 and 379,449.90 is: 523,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,169.50 : 824,641.60 = 379,449.90 : x
  2. Step 2: Convert to fraction form
    597,169.50/824,641.60 = 379,449.90/x
  3. Step 3: Cross multiply
    597,169.50x = 824,641.60 × 379,449.90
  4. Step 4: Simplify right side
    597,169.50x = 312,910,172,655.84
  5. Step 5: Solve for x
    x = 312,910,172,655.84/597,169.50
  6. Step 6: Final answer
    x = 523,988.87

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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.