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Finding the Fourth Proportional to 366,946.80, 550,420.20 and 226,978.80

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Solution

The fourth proportional to 366,946.80, 550,420.20 and 226,978.80 is: 340,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,946.80 : 550,420.20 = 226,978.80 : x
  2. Step 2: Convert to fraction form
    366,946.80/550,420.20 = 226,978.80/x
  3. Step 3: Cross multiply
    366,946.80x = 550,420.20 × 226,978.80
  4. Step 4: Simplify right side
    366,946.80x = 124,933,716,491.76
  5. Step 5: Solve for x
    x = 124,933,716,491.76/366,946.80
  6. Step 6: Final answer
    x = 340,468.20

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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.