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Finding the Fourth Proportional to 369,645.38, 510,110.26 and 199,879.10

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Solution

The fourth proportional to 369,645.38, 510,110.26 and 199,879.10 is: 275,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,645.38 : 510,110.26 = 199,879.10 : x
  2. Step 2: Convert to fraction form
    369,645.38/510,110.26 = 199,879.10/x
  3. Step 3: Cross multiply
    369,645.38x = 510,110.26 × 199,879.10
  4. Step 4: Simplify right side
    369,645.38x = 101,960,379,669.57
  5. Step 5: Solve for x
    x = 101,960,379,669.57/369,645.38
  6. Step 6: Final answer
    x = 275,832.96

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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.