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Finding the Fourth Proportional to 366,952.60, 550,428.90 and 219,496.60

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Solution

The fourth proportional to 366,952.60, 550,428.90 and 219,496.60 is: 329,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,952.60 : 550,428.90 = 219,496.60 : x
  2. Step 2: Convert to fraction form
    366,952.60/550,428.90 = 219,496.60/x
  3. Step 3: Cross multiply
    366,952.60x = 550,428.90 × 219,496.60
  4. Step 4: Simplify right side
    366,952.60x = 120,817,272,091.74
  5. Step 5: Solve for x
    x = 120,817,272,091.74/366,952.60
  6. Step 6: Final answer
    x = 329,244.90

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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.