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Finding the Fourth Proportional to 227,568.60, 318,005.55 and 227,568.60

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Solution

The fourth proportional to 227,568.60, 318,005.55 and 227,568.60 is: 318,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,568.60 : 318,005.55 = 227,568.60 : x
  2. Step 2: Convert to fraction form
    227,568.60/318,005.55 = 227,568.60/x
  3. Step 3: Cross multiply
    227,568.60x = 318,005.55 × 227,568.60
  4. Step 4: Simplify right side
    227,568.60x = 72,368,077,805.73
  5. Step 5: Solve for x
    x = 72,368,077,805.73/227,568.60
  6. Step 6: Final answer
    x = 318,005.55

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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.