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Finding the Fourth Proportional to 236,163.20, 354,244.80 and 223,260.80

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Solution

The fourth proportional to 236,163.20, 354,244.80 and 223,260.80 is: 334,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,163.20 : 354,244.80 = 223,260.80 : x
  2. Step 2: Convert to fraction form
    236,163.20/354,244.80 = 223,260.80/x
  3. Step 3: Cross multiply
    236,163.20x = 354,244.80 × 223,260.80
  4. Step 4: Simplify right side
    236,163.20x = 79,088,977,443.84
  5. Step 5: Solve for x
    x = 79,088,977,443.84/236,163.20
  6. Step 6: Final answer
    x = 334,891.20

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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.