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Finding the Fourth Proportional to 221,608.86, 332,296.65 and 151,508.22

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Solution

The fourth proportional to 221,608.86, 332,296.65 and 151,508.22 is: 227,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,608.86 : 332,296.65 = 151,508.22 : x
  2. Step 2: Convert to fraction form
    221,608.86/332,296.65 = 151,508.22/x
  3. Step 3: Cross multiply
    221,608.86x = 332,296.65 × 151,508.22
  4. Step 4: Simplify right side
    221,608.86x = 50,345,673,953.46
  5. Step 5: Solve for x
    x = 50,345,673,953.46/221,608.86
  6. Step 6: Final answer
    x = 227,182.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.