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Finding the Fourth Proportional to 633,727.17, 874,538.46 and 347,246.49

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Solution

The fourth proportional to 633,727.17, 874,538.46 and 347,246.49 is: 479,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,727.17 : 874,538.46 = 347,246.49 : x
  2. Step 2: Convert to fraction form
    633,727.17/874,538.46 = 347,246.49/x
  3. Step 3: Cross multiply
    633,727.17x = 874,538.46 × 347,246.49
  4. Step 4: Simplify right side
    633,727.17x = 303,680,410,605.01
  5. Step 5: Solve for x
    x = 303,680,410,605.01/633,727.17
  6. Step 6: Final answer
    x = 479,197.40

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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.