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Finding the Fourth Proportional to 362,015.20, 543,110.59 and 109,280.59

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Solution

The fourth proportional to 362,015.20, 543,110.59 and 109,280.59 is: 163,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,015.20 : 543,110.59 = 109,280.59 : x
  2. Step 2: Convert to fraction form
    362,015.20/543,110.59 = 109,280.59/x
  3. Step 3: Cross multiply
    362,015.20x = 543,110.59 × 109,280.59
  4. Step 4: Simplify right side
    362,015.20x = 59,351,445,710.45
  5. Step 5: Solve for x
    x = 59,351,445,710.45/362,015.20
  6. Step 6: Final answer
    x = 163,947.39

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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.