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Finding the Fourth Proportional to 662,610.30, 993,924.09 and 189,311.10

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Solution

The fourth proportional to 662,610.30, 993,924.09 and 189,311.10 is: 283,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,610.30 : 993,924.09 = 189,311.10 : x
  2. Step 2: Convert to fraction form
    662,610.30/993,924.09 = 189,311.10/x
  3. Step 3: Cross multiply
    662,610.30x = 993,924.09 × 189,311.10
  4. Step 4: Simplify right side
    662,610.30x = 188,160,862,794.40
  5. Step 5: Solve for x
    x = 188,160,862,794.40/662,610.30
  6. Step 6: Final answer
    x = 283,969.12

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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.