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Finding the Fourth Proportional to 362,602.64, 543,901.68 and 140,986.64

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Solution

The fourth proportional to 362,602.64, 543,901.68 and 140,986.64 is: 211,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,602.64 : 543,901.68 = 140,986.64 : x
  2. Step 2: Convert to fraction form
    362,602.64/543,901.68 = 140,986.64/x
  3. Step 3: Cross multiply
    362,602.64x = 543,901.68 × 140,986.64
  4. Step 4: Simplify right side
    362,602.64x = 76,682,870,353.56
  5. Step 5: Solve for x
    x = 76,682,870,353.56/362,602.64
  6. Step 6: Final answer
    x = 211,479.07

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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.