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Finding the Fourth Proportional to 696,036.84, 960,622.18 and 394,241

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Solution

The fourth proportional to 696,036.84, 960,622.18 and 394,241 is: 544,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,036.84 : 960,622.18 = 394,241 : x
  2. Step 2: Convert to fraction form
    696,036.84/960,622.18 = 394,241/x
  3. Step 3: Cross multiply
    696,036.84x = 960,622.18 × 394,241
  4. Step 4: Simplify right side
    696,036.84x = 378,716,648,865.38
  5. Step 5: Solve for x
    x = 378,716,648,865.38/696,036.84
  6. Step 6: Final answer
    x = 544,104.32

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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.