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Finding the Fourth Proportional to 338,535.81, 467,179.42 and 187,632.81

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Solution

The fourth proportional to 338,535.81, 467,179.42 and 187,632.81 is: 258,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,535.81 : 467,179.42 = 187,632.81 : x
  2. Step 2: Convert to fraction form
    338,535.81/467,179.42 = 187,632.81/x
  3. Step 3: Cross multiply
    338,535.81x = 467,179.42 × 187,632.81
  4. Step 4: Simplify right side
    338,535.81x = 87,658,187,348.77
  5. Step 5: Solve for x
    x = 87,658,187,348.77/338,535.81
  6. Step 6: Final answer
    x = 258,933.28

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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.