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Finding the Fourth Proportional to 491,876.20, 737,814.30 and 242,525.80

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Solution

The fourth proportional to 491,876.20, 737,814.30 and 242,525.80 is: 363,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,876.20 : 737,814.30 = 242,525.80 : x
  2. Step 2: Convert to fraction form
    491,876.20/737,814.30 = 242,525.80/x
  3. Step 3: Cross multiply
    491,876.20x = 737,814.30 × 242,525.80
  4. Step 4: Simplify right side
    491,876.20x = 178,939,003,358.94
  5. Step 5: Solve for x
    x = 178,939,003,358.94/491,876.20
  6. Step 6: Final answer
    x = 363,788.70

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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.