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Finding the Fourth Proportional to 367,198.76, 550,281.23 and 291,985.09

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Solution

The fourth proportional to 367,198.76, 550,281.23 and 291,985.09 is: 437,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,198.76 : 550,281.23 = 291,985.09 : x
  2. Step 2: Convert to fraction form
    367,198.76/550,281.23 = 291,985.09/x
  3. Step 3: Cross multiply
    367,198.76x = 550,281.23 × 291,985.09
  4. Step 4: Simplify right side
    367,198.76x = 160,673,914,466.86
  5. Step 5: Solve for x
    x = 160,673,914,466.86/367,198.76
  6. Step 6: Final answer
    x = 437,566.60

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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.