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Finding the Fourth Proportional to 366,977.60, 550,466.40 and 219,521.60

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Solution

The fourth proportional to 366,977.60, 550,466.40 and 219,521.60 is: 329,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,977.60 : 550,466.40 = 219,521.60 : x
  2. Step 2: Convert to fraction form
    366,977.60/550,466.40 = 219,521.60/x
  3. Step 3: Cross multiply
    366,977.60x = 550,466.40 × 219,521.60
  4. Step 4: Simplify right side
    366,977.60x = 120,839,264,874.24
  5. Step 5: Solve for x
    x = 120,839,264,874.24/366,977.60
  6. Step 6: Final answer
    x = 329,282.40

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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.