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Finding the Fourth Proportional to 362,174.70, 543,344.06 and 193,606.21

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Solution

The fourth proportional to 362,174.70, 543,344.06 and 193,606.21 is: 290,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,174.70 : 543,344.06 = 193,606.21 : x
  2. Step 2: Convert to fraction form
    362,174.70/543,344.06 = 193,606.21/x
  3. Step 3: Cross multiply
    362,174.70x = 543,344.06 × 193,606.21
  4. Step 4: Simplify right side
    362,174.70x = 105,194,784,182.61
  5. Step 5: Solve for x
    x = 105,194,784,182.61/362,174.70
  6. Step 6: Final answer
    x = 290,453.15

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1.5x scale

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.