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Finding the Fourth Proportional to 817,753.16, 1,226,215.02 and 374,141

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Solution

The fourth proportional to 817,753.16, 1,226,215.02 and 374,141 is: 561,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,753.16 : 1,226,215.02 = 374,141 : x
  2. Step 2: Convert to fraction form
    817,753.16/1,226,215.02 = 374,141/x
  3. Step 3: Cross multiply
    817,753.16x = 1,226,215.02 × 374,141
  4. Step 4: Simplify right side
    817,753.16x = 458,777,313,797.82
  5. Step 5: Solve for x
    x = 458,777,313,797.82/817,753.16
  6. Step 6: Final answer
    x = 561,021.76

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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.