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Finding the Fourth Proportional to 362,003.31, 543,006.81 and 148,887.45

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Solution

The fourth proportional to 362,003.31, 543,006.81 and 148,887.45 is: 223,331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,003.31 : 543,006.81 = 148,887.45 : x
  2. Step 2: Convert to fraction form
    362,003.31/543,006.81 = 148,887.45/x
  3. Step 3: Cross multiply
    362,003.31x = 543,006.81 × 148,887.45
  4. Step 4: Simplify right side
    362,003.31x = 80,846,899,273.53
  5. Step 5: Solve for x
    x = 80,846,899,273.53/362,003.31
  6. Step 6: Final answer
    x = 223,331.93

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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.