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Finding the Fourth Proportional to 339,048.25, 467,908.47 and 188,145.25

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Solution

The fourth proportional to 339,048.25, 467,908.47 and 188,145.25 is: 259,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,048.25 : 467,908.47 = 188,145.25 : x
  2. Step 2: Convert to fraction form
    339,048.25/467,908.47 = 188,145.25/x
  3. Step 3: Cross multiply
    339,048.25x = 467,908.47 × 188,145.25
  4. Step 4: Simplify right side
    339,048.25x = 88,034,756,065.27
  5. Step 5: Solve for x
    x = 88,034,756,065.27/339,048.25
  6. Step 6: Final answer
    x = 259,652.59

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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.