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Finding the Fourth Proportional to 344,381.43, 475,243.23 and 191,415.69

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Solution

The fourth proportional to 344,381.43, 475,243.23 and 191,415.69 is: 264,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,381.43 : 475,243.23 = 191,415.69 : x
  2. Step 2: Convert to fraction form
    344,381.43/475,243.23 = 191,415.69/x
  3. Step 3: Cross multiply
    344,381.43x = 475,243.23 × 191,415.69
  4. Step 4: Simplify right side
    344,381.43x = 90,969,010,788.28
  5. Step 5: Solve for x
    x = 90,969,010,788.28/344,381.43
  6. Step 6: Final answer
    x = 264,151.91

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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.