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Finding the Fourth Proportional to 722,322.27, 996,837.03 and 395,658.27

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Solution

The fourth proportional to 722,322.27, 996,837.03 and 395,658.27 is: 546,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,322.27 : 996,837.03 = 395,658.27 : x
  2. Step 2: Convert to fraction form
    722,322.27/996,837.03 = 395,658.27/x
  3. Step 3: Cross multiply
    722,322.27x = 996,837.03 × 395,658.27
  4. Step 4: Simplify right side
    722,322.27x = 394,406,814,761.74
  5. Step 5: Solve for x
    x = 394,406,814,761.74/722,322.27
  6. Step 6: Final answer
    x = 546,026.10

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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.