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Finding the Fourth Proportional to 696,157.44, 960,660.72 and 394,332

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Solution

The fourth proportional to 696,157.44, 960,660.72 and 394,332 is: 544,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,157.44 : 960,660.72 = 394,332 : x
  2. Step 2: Convert to fraction form
    696,157.44/960,660.72 = 394,332/x
  3. Step 3: Cross multiply
    696,157.44x = 960,660.72 × 394,332
  4. Step 4: Simplify right side
    696,157.44x = 378,819,263,039.04
  5. Step 5: Solve for x
    x = 378,819,263,039.04/696,157.44
  6. Step 6: Final answer
    x = 544,157.46

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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.