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Finding the Fourth Proportional to 696,250.66, 960,822.57 and 394,443.94

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Solution

The fourth proportional to 696,250.66, 960,822.57 and 394,443.94 is: 544,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,250.66 : 960,822.57 = 394,443.94 : x
  2. Step 2: Convert to fraction form
    696,250.66/960,822.57 = 394,443.94/x
  3. Step 3: Cross multiply
    696,250.66x = 960,822.57 × 394,443.94
  4. Step 4: Simplify right side
    696,250.66x = 378,990,640,151.73
  5. Step 5: Solve for x
    x = 378,990,640,151.73/696,250.66
  6. Step 6: Final answer
    x = 544,330.74

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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.