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Finding the Fourth Proportional to 326,514.60, 450,635.62 and 181,353

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Solution

The fourth proportional to 326,514.60, 450,635.62 and 181,353 is: 250,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,514.60 : 450,635.62 = 181,353 : x
  2. Step 2: Convert to fraction form
    326,514.60/450,635.62 = 181,353/x
  3. Step 3: Cross multiply
    326,514.60x = 450,635.62 × 181,353
  4. Step 4: Simplify right side
    326,514.60x = 81,724,121,593.86
  5. Step 5: Solve for x
    x = 81,724,121,593.86/326,514.60
  6. Step 6: Final answer
    x = 250,292.40

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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.