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Finding the Fourth Proportional to 605,257.38, 835,261.47 and 333,330.66

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Solution

The fourth proportional to 605,257.38, 835,261.47 and 333,330.66 is: 459,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,257.38 : 835,261.47 = 333,330.66 : x
  2. Step 2: Convert to fraction form
    605,257.38/835,261.47 = 333,330.66/x
  3. Step 3: Cross multiply
    605,257.38x = 835,261.47 × 333,330.66
  4. Step 4: Simplify right side
    605,257.38x = 278,418,257,067.67
  5. Step 5: Solve for x
    x = 278,418,257,067.67/605,257.38
  6. Step 6: Final answer
    x = 459,999.77

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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.