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Finding the Fourth Proportional to 367,037.80, 550,556.70 and 242,378.80

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Solution

The fourth proportional to 367,037.80, 550,556.70 and 242,378.80 is: 363,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,037.80 : 550,556.70 = 242,378.80 : x
  2. Step 2: Convert to fraction form
    367,037.80/550,556.70 = 242,378.80/x
  3. Step 3: Cross multiply
    367,037.80x = 550,556.70 × 242,378.80
  4. Step 4: Simplify right side
    367,037.80x = 133,443,272,277.96
  5. Step 5: Solve for x
    x = 133,443,272,277.96/367,037.80
  6. Step 6: Final answer
    x = 363,568.20

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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.