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Finding the Fourth Proportional to 338,720.57, 467,440.79 and 185,749.07

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Solution

The fourth proportional to 338,720.57, 467,440.79 and 185,749.07 is: 256,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,720.57 : 467,440.79 = 185,749.07 : x
  2. Step 2: Convert to fraction form
    338,720.57/467,440.79 = 185,749.07/x
  3. Step 3: Cross multiply
    338,720.57x = 467,440.79 × 185,749.07
  4. Step 4: Simplify right side
    338,720.57x = 86,826,690,149.73
  5. Step 5: Solve for x
    x = 86,826,690,149.73/338,720.57
  6. Step 6: Final answer
    x = 256,337.23

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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.