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Finding the Fourth Proportional to 491,593.76, 737,676.88 and 207,266.48

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Solution

The fourth proportional to 491,593.76, 737,676.88 and 207,266.48 is: 311,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,593.76 : 737,676.88 = 207,266.48 : x
  2. Step 2: Convert to fraction form
    491,593.76/737,676.88 = 207,266.48/x
  3. Step 3: Cross multiply
    491,593.76x = 737,676.88 × 207,266.48
  4. Step 4: Simplify right side
    491,593.76x = 152,895,690,294.98
  5. Step 5: Solve for x
    x = 152,895,690,294.98/491,593.76
  6. Step 6: Final answer
    x = 311,020.40

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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.