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Finding the Fourth Proportional to 497,676.74, 746,515.70 and 123,699.74

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Solution

The fourth proportional to 497,676.74, 746,515.70 and 123,699.74 is: 185,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,676.74 : 746,515.70 = 123,699.74 : x
  2. Step 2: Convert to fraction form
    497,676.74/746,515.70 = 123,699.74/x
  3. Step 3: Cross multiply
    497,676.74x = 746,515.70 × 123,699.74
  4. Step 4: Simplify right side
    497,676.74x = 92,343,797,377.42
  5. Step 5: Solve for x
    x = 92,343,797,377.42/497,676.74
  6. Step 6: Final answer
    x = 185,549.76

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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.