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Finding the Fourth Proportional to 338,451.04, 467,065.20 and 187,550.56

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Solution

The fourth proportional to 338,451.04, 467,065.20 and 187,550.56 is: 258,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,451.04 : 467,065.20 = 187,550.56 : x
  2. Step 2: Convert to fraction form
    338,451.04/467,065.20 = 187,550.56/x
  3. Step 3: Cross multiply
    338,451.04x = 467,065.20 × 187,550.56
  4. Step 4: Simplify right side
    338,451.04x = 87,598,339,816.51
  5. Step 5: Solve for x
    x = 87,598,339,816.51/338,451.04
  6. Step 6: Final answer
    x = 258,821.30

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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.