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Finding the Fourth Proportional to 437,801.70, 656,345.97 and 293,855.97

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Solution

The fourth proportional to 437,801.70, 656,345.97 and 293,855.97 is: 440,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,801.70 : 656,345.97 = 293,855.97 : x
  2. Step 2: Convert to fraction form
    437,801.70/656,345.97 = 293,855.97/x
  3. Step 3: Cross multiply
    437,801.70x = 656,345.97 × 293,855.97
  4. Step 4: Simplify right side
    437,801.70x = 192,871,181,669.94
  5. Step 5: Solve for x
    x = 192,871,181,669.94/437,801.70
  6. Step 6: Final answer
    x = 440,544.62

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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.