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Finding the Fourth Proportional to 539,105.33, 806,975.21 and 397,110.71

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Solution

The fourth proportional to 539,105.33, 806,975.21 and 397,110.71 is: 594,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,105.33 : 806,975.21 = 397,110.71 : x
  2. Step 2: Convert to fraction form
    539,105.33/806,975.21 = 397,110.71/x
  3. Step 3: Cross multiply
    539,105.33x = 806,975.21 × 397,110.71
  4. Step 4: Simplify right side
    539,105.33x = 320,458,492,575.07
  5. Step 5: Solve for x
    x = 320,458,492,575.07/539,105.33
  6. Step 6: Final answer
    x = 594,426.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.