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Finding the Fourth Proportional to 704,756.17, 1,056,789.60 and 491,626

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Solution

The fourth proportional to 704,756.17, 1,056,789.60 and 491,626 is: 737,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,756.17 : 1,056,789.60 = 491,626 : x
  2. Step 2: Convert to fraction form
    704,756.17/1,056,789.60 = 491,626/x
  3. Step 3: Cross multiply
    704,756.17x = 1,056,789.60 × 491,626
  4. Step 4: Simplify right side
    704,756.17x = 519,545,243,889.60
  5. Step 5: Solve for x
    x = 519,545,243,889.60/704,756.17
  6. Step 6: Final answer
    x = 737,198.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.