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Finding the Fourth Proportional to 738,296, 1,106,687.46 and 560,426.48

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Solution

The fourth proportional to 738,296, 1,106,687.46 and 560,426.48 is: 840,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,296 : 1,106,687.46 = 560,426.48 : x
  2. Step 2: Convert to fraction form
    738,296/1,106,687.46 = 560,426.48/x
  3. Step 3: Cross multiply
    738,296x = 1,106,687.46 × 560,426.48
  4. Step 4: Simplify right side
    738,296x = 620,216,957,667.94
  5. Step 5: Solve for x
    x = 620,216,957,667.94/738,296
  6. Step 6: Final answer
    x = 840,065.44

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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.