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Finding the Fourth Proportional to 613,451.07, 920,033.54 and 234,232.56

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Solution

The fourth proportional to 613,451.07, 920,033.54 and 234,232.56 is: 351,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,451.07 : 920,033.54 = 234,232.56 : x
  2. Step 2: Convert to fraction form
    613,451.07/920,033.54 = 234,232.56/x
  3. Step 3: Cross multiply
    613,451.07x = 920,033.54 × 234,232.56
  4. Step 4: Simplify right side
    613,451.07x = 215,501,811,067.27
  5. Step 5: Solve for x
    x = 215,501,811,067.27/613,451.07
  6. Step 6: Final answer
    x = 351,294.21

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Similar ratio
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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.