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Finding the Fourth Proportional to 362,448.80, 543,154.80 and 266,933.60

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Solution

The fourth proportional to 362,448.80, 543,154.80 and 266,933.60 is: 400,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,448.80 : 543,154.80 = 266,933.60 : x
  2. Step 2: Convert to fraction form
    362,448.80/543,154.80 = 266,933.60/x
  3. Step 3: Cross multiply
    362,448.80x = 543,154.80 × 266,933.60
  4. Step 4: Simplify right side
    362,448.80x = 144,986,266,121.28
  5. Step 5: Solve for x
    x = 144,986,266,121.28/362,448.80
  6. Step 6: Final answer
    x = 400,018.61

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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.