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Finding the Fourth Proportional to 353,367.64, 487,633.26 and 192,222.88

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Solution

The fourth proportional to 353,367.64, 487,633.26 and 192,222.88 is: 265,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,367.64 : 487,633.26 = 192,222.88 : x
  2. Step 2: Convert to fraction form
    353,367.64/487,633.26 = 192,222.88/x
  3. Step 3: Cross multiply
    353,367.64x = 487,633.26 × 192,222.88
  4. Step 4: Simplify right side
    353,367.64x = 93,734,269,620.99
  5. Step 5: Solve for x
    x = 93,734,269,620.99/353,367.64
  6. Step 6: Final answer
    x = 265,259.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.