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Finding the Fourth Proportional to 338,535, 467,180.73 and 187,632

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Solution

The fourth proportional to 338,535, 467,180.73 and 187,632 is: 258,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,535 : 467,180.73 = 187,632 : x
  2. Step 2: Convert to fraction form
    338,535/467,180.73 = 187,632/x
  3. Step 3: Cross multiply
    338,535x = 467,180.73 × 187,632
  4. Step 4: Simplify right side
    338,535x = 87,658,054,731.36
  5. Step 5: Solve for x
    x = 87,658,054,731.36/338,535
  6. Step 6: Final answer
    x = 258,933.51

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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.