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Finding the Fourth Proportional to 362,403.36, 543,393.36 and 109,608.48

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Solution

The fourth proportional to 362,403.36, 543,393.36 and 109,608.48 is: 164,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,403.36 : 543,393.36 = 109,608.48 : x
  2. Step 2: Convert to fraction form
    362,403.36/543,393.36 = 109,608.48/x
  3. Step 3: Cross multiply
    362,403.36x = 543,393.36 × 109,608.48
  4. Step 4: Simplify right side
    362,403.36x = 59,560,520,231.69
  5. Step 5: Solve for x
    x = 59,560,520,231.69/362,403.36
  6. Step 6: Final answer
    x = 164,348.70

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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.