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Finding the Fourth Proportional to 857,793.64, 1,286,701.41 and 226,702

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Solution

The fourth proportional to 857,793.64, 1,286,701.41 and 226,702 is: 340,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,793.64 : 1,286,701.41 = 226,702 : x
  2. Step 2: Convert to fraction form
    857,793.64/1,286,701.41 = 226,702/x
  3. Step 3: Cross multiply
    857,793.64x = 1,286,701.41 × 226,702
  4. Step 4: Simplify right side
    857,793.64x = 291,697,783,049.82
  5. Step 5: Solve for x
    x = 291,697,783,049.82/857,793.64
  6. Step 6: Final answer
    x = 340,055.89

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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.