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Finding the Fourth Proportional to 538,617.66, 743,292.18 and 296,904.27

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Solution

The fourth proportional to 538,617.66, 743,292.18 and 296,904.27 is: 409,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,617.66 : 743,292.18 = 296,904.27 : x
  2. Step 2: Convert to fraction form
    538,617.66/743,292.18 = 296,904.27/x
  3. Step 3: Cross multiply
    538,617.66x = 743,292.18 × 296,904.27
  4. Step 4: Simplify right side
    538,617.66x = 220,686,622,099.61
  5. Step 5: Solve for x
    x = 220,686,622,099.61/538,617.66
  6. Step 6: Final answer
    x = 409,727.79

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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.