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Finding the Fourth Proportional to 338,816.96, 467,502.65 and 193,668.72

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Solution

The fourth proportional to 338,816.96, 467,502.65 and 193,668.72 is: 267,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,816.96 : 467,502.65 = 193,668.72 : x
  2. Step 2: Convert to fraction form
    338,816.96/467,502.65 = 193,668.72/x
  3. Step 3: Cross multiply
    338,816.96x = 467,502.65 × 193,668.72
  4. Step 4: Simplify right side
    338,816.96x = 90,540,637,590.96
  5. Step 5: Solve for x
    x = 90,540,637,590.96/338,816.96
  6. Step 6: Final answer
    x = 267,225.81

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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.