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Finding the Fourth Proportional to 298,219.92, 411,331 and 183,348.08

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Solution

The fourth proportional to 298,219.92, 411,331 and 183,348.08 is: 252,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,219.92 : 411,331 = 183,348.08 : x
  2. Step 2: Convert to fraction form
    298,219.92/411,331 = 183,348.08/x
  3. Step 3: Cross multiply
    298,219.92x = 411,331 × 183,348.08
  4. Step 4: Simplify right side
    298,219.92x = 75,416,749,094.48
  5. Step 5: Solve for x
    x = 75,416,749,094.48/298,219.92
  6. Step 6: Final answer
    x = 252,889.71

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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.