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Finding the Fourth Proportional to 397,943.88, 596,817.38 and 248,107

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Solution

The fourth proportional to 397,943.88, 596,817.38 and 248,107 is: 372,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,943.88 : 596,817.38 = 248,107 : x
  2. Step 2: Convert to fraction form
    397,943.88/596,817.38 = 248,107/x
  3. Step 3: Cross multiply
    397,943.88x = 596,817.38 × 248,107
  4. Step 4: Simplify right side
    397,943.88x = 148,074,569,699.66
  5. Step 5: Solve for x
    x = 148,074,569,699.66/397,943.88
  6. Step 6: Final answer
    x = 372,099.13

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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.