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Finding the Fourth Proportional to 227,640.60, 319,163.40 and 227,640.60

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Solution

The fourth proportional to 227,640.60, 319,163.40 and 227,640.60 is: 319,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,640.60 : 319,163.40 = 227,640.60 : x
  2. Step 2: Convert to fraction form
    227,640.60/319,163.40 = 227,640.60/x
  3. Step 3: Cross multiply
    227,640.60x = 319,163.40 × 227,640.60
  4. Step 4: Simplify right side
    227,640.60x = 72,654,547,874.04
  5. Step 5: Solve for x
    x = 72,654,547,874.04/227,640.60
  6. Step 6: Final answer
    x = 319,163.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.