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Finding the Fourth Proportional to 664,937.24, 998,027.94 and 328,357.94

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Solution

The fourth proportional to 664,937.24, 998,027.94 and 328,357.94 is: 492,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,937.24 : 998,027.94 = 328,357.94 : x
  2. Step 2: Convert to fraction form
    664,937.24/998,027.94 = 328,357.94/x
  3. Step 3: Cross multiply
    664,937.24x = 998,027.94 × 328,357.94
  4. Step 4: Simplify right side
    664,937.24x = 327,710,398,440.84
  5. Step 5: Solve for x
    x = 327,710,398,440.84/664,937.24
  6. Step 6: Final answer
    x = 492,844.10

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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.