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Finding the Fourth Proportional to 362,640.62, 544,046.01 and 356,615.78

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Solution

The fourth proportional to 362,640.62, 544,046.01 and 356,615.78 is: 535,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,640.62 : 544,046.01 = 356,615.78 : x
  2. Step 2: Convert to fraction form
    362,640.62/544,046.01 = 356,615.78/x
  3. Step 3: Cross multiply
    362,640.62x = 544,046.01 × 356,615.78
  4. Step 4: Simplify right side
    362,640.62x = 194,015,389,491.81
  5. Step 5: Solve for x
    x = 194,015,389,491.81/362,640.62
  6. Step 6: Final answer
    x = 535,007.34

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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.