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Finding the Fourth Proportional to 362,219.60, 543,326.70 and 109,499.60

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Solution

The fourth proportional to 362,219.60, 543,326.70 and 109,499.60 is: 164,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,219.60 : 543,326.70 = 109,499.60 : x
  2. Step 2: Convert to fraction form
    362,219.60/543,326.70 = 109,499.60/x
  3. Step 3: Cross multiply
    362,219.60x = 543,326.70 × 109,499.60
  4. Step 4: Simplify right side
    362,219.60x = 59,494,056,319.32
  5. Step 5: Solve for x
    x = 59,494,056,319.32/362,219.60
  6. Step 6: Final answer
    x = 164,248.58

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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.