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Finding the Fourth Proportional to 409,325.84, 614,054.36 and 172,703.37

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Solution

The fourth proportional to 409,325.84, 614,054.36 and 172,703.37 is: 259,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,325.84 : 614,054.36 = 172,703.37 : x
  2. Step 2: Convert to fraction form
    409,325.84/614,054.36 = 172,703.37/x
  3. Step 3: Cross multiply
    409,325.84x = 614,054.36 × 172,703.37
  4. Step 4: Simplify right side
    409,325.84x = 106,049,256,471.68
  5. Step 5: Solve for x
    x = 106,049,256,471.68/409,325.84
  6. Step 6: Final answer
    x = 259,082.73

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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.