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Finding the Fourth Proportional to 701,767.76, 1,052,827 and 203,131.76

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Solution

The fourth proportional to 701,767.76, 1,052,827 and 203,131.76 is: 304,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,767.76 : 1,052,827 = 203,131.76 : x
  2. Step 2: Convert to fraction form
    701,767.76/1,052,827 = 203,131.76/x
  3. Step 3: Cross multiply
    701,767.76x = 1,052,827 × 203,131.76
  4. Step 4: Simplify right side
    701,767.76x = 213,862,601,485.52
  5. Step 5: Solve for x
    x = 213,862,601,485.52/701,767.76
  6. Step 6: Final answer
    x = 304,748.40

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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.