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Finding the Fourth Proportional to 362,407.80, 543,611.52 and 113,089.80

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Solution

The fourth proportional to 362,407.80, 543,611.52 and 113,089.80 is: 169,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,407.80 : 543,611.52 = 113,089.80 : x
  2. Step 2: Convert to fraction form
    362,407.80/543,611.52 = 113,089.80/x
  3. Step 3: Cross multiply
    362,407.80x = 543,611.52 × 113,089.80
  4. Step 4: Simplify right side
    362,407.80x = 61,476,918,074.50
  5. Step 5: Solve for x
    x = 61,476,918,074.50/362,407.80
  6. Step 6: Final answer
    x = 169,634.64

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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.