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Finding the Fourth Proportional to 491,379.48, 737,026.74 and 299,204.28

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Solution

The fourth proportional to 491,379.48, 737,026.74 and 299,204.28 is: 448,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,379.48 : 737,026.74 = 299,204.28 : x
  2. Step 2: Convert to fraction form
    491,379.48/737,026.74 = 299,204.28/x
  3. Step 3: Cross multiply
    491,379.48x = 737,026.74 × 299,204.28
  4. Step 4: Simplify right side
    491,379.48x = 220,521,555,082.45
  5. Step 5: Solve for x
    x = 220,521,555,082.45/491,379.48
  6. Step 6: Final answer
    x = 448,780.55

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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.