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Finding the Fourth Proportional to 397,049.48, 595,596.93 and 112,717.79

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Solution

The fourth proportional to 397,049.48, 595,596.93 and 112,717.79 is: 169,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,049.48 : 595,596.93 = 112,717.79 : x
  2. Step 2: Convert to fraction form
    397,049.48/595,596.93 = 112,717.79/x
  3. Step 3: Cross multiply
    397,049.48x = 595,596.93 × 112,717.79
  4. Step 4: Simplify right side
    397,049.48x = 67,134,369,116.80
  5. Step 5: Solve for x
    x = 67,134,369,116.80/397,049.48
  6. Step 6: Final answer
    x = 169,083.13

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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.