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Finding the Fourth Proportional to 700,349.67, 966,472.23 and 394,426.62

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Solution

The fourth proportional to 700,349.67, 966,472.23 and 394,426.62 is: 544,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,349.67 : 966,472.23 = 394,426.62 : x
  2. Step 2: Convert to fraction form
    700,349.67/966,472.23 = 394,426.62/x
  3. Step 3: Cross multiply
    700,349.67x = 966,472.23 × 394,426.62
  4. Step 4: Simplify right side
    700,349.67x = 381,202,375,002.76
  5. Step 5: Solve for x
    x = 381,202,375,002.76/700,349.67
  6. Step 6: Final answer
    x = 544,302.93

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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.