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Finding the Fourth Proportional to 338,902.38, 467,669.50 and 185,937.12

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Solution

The fourth proportional to 338,902.38, 467,669.50 and 185,937.12 is: 256,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,902.38 : 467,669.50 = 185,937.12 : x
  2. Step 2: Convert to fraction form
    338,902.38/467,669.50 = 185,937.12/x
  3. Step 3: Cross multiply
    338,902.38x = 467,669.50 × 185,937.12
  4. Step 4: Simplify right side
    338,902.38x = 86,957,119,477.00
  5. Step 5: Solve for x
    x = 86,957,119,477.00/338,902.38
  6. Step 6: Final answer
    x = 256,584.56

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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.