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Finding the Fourth Proportional to 519,754.43, 717,227.34 and 301,943.81

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Solution

The fourth proportional to 519,754.43, 717,227.34 and 301,943.81 is: 416,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,754.43 : 717,227.34 = 301,943.81 : x
  2. Step 2: Convert to fraction form
    519,754.43/717,227.34 = 301,943.81/x
  3. Step 3: Cross multiply
    519,754.43x = 717,227.34 × 301,943.81
  4. Step 4: Simplify right side
    519,754.43x = 216,562,355,675.77
  5. Step 5: Solve for x
    x = 216,562,355,675.77/519,754.43
  6. Step 6: Final answer
    x = 416,662.84

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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.