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Finding the Fourth Proportional to 348,481.76, 480,727.72 and 227,693.75

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Solution

The fourth proportional to 348,481.76, 480,727.72 and 227,693.75 is: 314,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,481.76 : 480,727.72 = 227,693.75 : x
  2. Step 2: Convert to fraction form
    348,481.76/480,727.72 = 227,693.75/x
  3. Step 3: Cross multiply
    348,481.76x = 480,727.72 × 227,693.75
  4. Step 4: Simplify right side
    348,481.76x = 109,458,697,295.75
  5. Step 5: Solve for x
    x = 109,458,697,295.75/348,481.76
  6. Step 6: Final answer
    x = 314,101.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.