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Finding the Fourth Proportional to 706,451.27, 974,928.39 and 404,703.59

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Solution

The fourth proportional to 706,451.27, 974,928.39 and 404,703.59 is: 558,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,451.27 : 974,928.39 = 404,703.59 : x
  2. Step 2: Convert to fraction form
    706,451.27/974,928.39 = 404,703.59/x
  3. Step 3: Cross multiply
    706,451.27x = 974,928.39 × 404,703.59
  4. Step 4: Simplify right side
    706,451.27x = 394,557,019,425.92
  5. Step 5: Solve for x
    x = 394,557,019,425.92/706,451.27
  6. Step 6: Final answer
    x = 558,505.64

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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.