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Finding the Fourth Proportional to 441,803.72, 662,687.07 and 142,277.67

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Solution

The fourth proportional to 441,803.72, 662,687.07 and 142,277.67 is: 213,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,803.72 : 662,687.07 = 142,277.67 : x
  2. Step 2: Convert to fraction form
    441,803.72/662,687.07 = 142,277.67/x
  3. Step 3: Cross multiply
    441,803.72x = 662,687.07 × 142,277.67
  4. Step 4: Simplify right side
    441,803.72x = 94,285,572,258.73
  5. Step 5: Solve for x
    x = 94,285,572,258.73/441,803.72
  6. Step 6: Final answer
    x = 213,410.54

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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.