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Finding the Fourth Proportional to 339,048.76, 467,909.20 and 188,145.76

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Solution

The fourth proportional to 339,048.76, 467,909.20 and 188,145.76 is: 259,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,048.76 : 467,909.20 = 188,145.76 : x
  2. Step 2: Convert to fraction form
    339,048.76/467,909.20 = 188,145.76/x
  3. Step 3: Cross multiply
    339,048.76x = 467,909.20 × 188,145.76
  4. Step 4: Simplify right side
    339,048.76x = 88,035,132,044.99
  5. Step 5: Solve for x
    x = 88,035,132,044.99/339,048.76
  6. Step 6: Final answer
    x = 259,653.31

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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.