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Finding the Fourth Proportional to 418,596.66, 577,647.18 and 227,610.54

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Solution

The fourth proportional to 418,596.66, 577,647.18 and 227,610.54 is: 314,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,596.66 : 577,647.18 = 227,610.54 : x
  2. Step 2: Convert to fraction form
    418,596.66/577,647.18 = 227,610.54/x
  3. Step 3: Cross multiply
    418,596.66x = 577,647.18 × 227,610.54
  4. Step 4: Simplify right side
    418,596.66x = 131,478,586,569.28
  5. Step 5: Solve for x
    x = 131,478,586,569.28/418,596.66
  6. Step 6: Final answer
    x = 314,093.73

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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.