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Finding the Fourth Proportional to 366,940.60, 550,410.90 and 283,894.20

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Solution

The fourth proportional to 366,940.60, 550,410.90 and 283,894.20 is: 425,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940.60 : 550,410.90 = 283,894.20 : x
  2. Step 2: Convert to fraction form
    366,940.60/550,410.90 = 283,894.20/x
  3. Step 3: Cross multiply
    366,940.60x = 550,410.90 × 283,894.20
  4. Step 4: Simplify right side
    366,940.60x = 156,258,462,126.78
  5. Step 5: Solve for x
    x = 156,258,462,126.78/366,940.60
  6. Step 6: Final answer
    x = 425,841.30

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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.