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Finding the Fourth Proportional to 376,909.39, 520,256.17 and 241,308.56

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Solution

The fourth proportional to 376,909.39, 520,256.17 and 241,308.56 is: 333,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,909.39 : 520,256.17 = 241,308.56 : x
  2. Step 2: Convert to fraction form
    376,909.39/520,256.17 = 241,308.56/x
  3. Step 3: Cross multiply
    376,909.39x = 520,256.17 × 241,308.56
  4. Step 4: Simplify right side
    376,909.39x = 125,542,267,213.82
  5. Step 5: Solve for x
    x = 125,542,267,213.82/376,909.39
  6. Step 6: Final answer
    x = 333,083.42

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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.