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Finding the Fourth Proportional to 338,668.57, 467,376.94 and 193,498.24

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Solution

The fourth proportional to 338,668.57, 467,376.94 and 193,498.24 is: 267,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,668.57 : 467,376.94 = 193,498.24 : x
  2. Step 2: Convert to fraction form
    338,668.57/467,376.94 = 193,498.24/x
  3. Step 3: Cross multiply
    338,668.57x = 467,376.94 × 193,498.24
  4. Step 4: Simplify right side
    338,668.57x = 90,436,615,482.42
  5. Step 5: Solve for x
    x = 90,436,615,482.42/338,668.57
  6. Step 6: Final answer
    x = 267,035.75

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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.