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Finding the Fourth Proportional to 455,216.76, 682,935.91 and 151,610.13

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Solution

The fourth proportional to 455,216.76, 682,935.91 and 151,610.13 is: 227,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,216.76 : 682,935.91 = 151,610.13 : x
  2. Step 2: Convert to fraction form
    455,216.76/682,935.91 = 151,610.13/x
  3. Step 3: Cross multiply
    455,216.76x = 682,935.91 × 151,610.13
  4. Step 4: Simplify right side
    455,216.76x = 103,540,001,717.74
  5. Step 5: Solve for x
    x = 103,540,001,717.74/455,216.76
  6. Step 6: Final answer
    x = 227,452.09

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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.