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Finding the Fourth Proportional to 362,393.60, 543,331.20 and 162,550.40

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Solution

The fourth proportional to 362,393.60, 543,331.20 and 162,550.40 is: 243,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,393.60 : 543,331.20 = 162,550.40 : x
  2. Step 2: Convert to fraction form
    362,393.60/543,331.20 = 162,550.40/x
  3. Step 3: Cross multiply
    362,393.60x = 543,331.20 × 162,550.40
  4. Step 4: Simplify right side
    362,393.60x = 88,318,703,892.48
  5. Step 5: Solve for x
    x = 88,318,703,892.48/362,393.60
  6. Step 6: Final answer
    x = 243,709.34

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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.