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Finding the Fourth Proportional to 350,393.41, 525,480.77 and 230,443.75

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Solution

The fourth proportional to 350,393.41, 525,480.77 and 230,443.75 is: 345,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,393.41 : 525,480.77 = 230,443.75 : x
  2. Step 2: Convert to fraction form
    350,393.41/525,480.77 = 230,443.75/x
  3. Step 3: Cross multiply
    350,393.41x = 525,480.77 × 230,443.75
  4. Step 4: Simplify right side
    350,393.41x = 121,093,758,039.47
  5. Step 5: Solve for x
    x = 121,093,758,039.47/350,393.41
  6. Step 6: Final answer
    x = 345,593.71

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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.