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Finding the Fourth Proportional to 302,524.29, 417,612.60 and 215,365.59

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Solution

The fourth proportional to 302,524.29, 417,612.60 and 215,365.59 is: 297,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,524.29 : 417,612.60 = 215,365.59 : x
  2. Step 2: Convert to fraction form
    302,524.29/417,612.60 = 215,365.59/x
  3. Step 3: Cross multiply
    302,524.29x = 417,612.60 × 215,365.59
  4. Step 4: Simplify right side
    302,524.29x = 89,939,383,990.43
  5. Step 5: Solve for x
    x = 89,939,383,990.43/302,524.29
  6. Step 6: Final answer
    x = 297,296.41

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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.