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Finding the Fourth Proportional to 369,671.94, 510,147.30 and 199,906.07

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Solution

The fourth proportional to 369,671.94, 510,147.30 and 199,906.07 is: 275,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,671.94 : 510,147.30 = 199,906.07 : x
  2. Step 2: Convert to fraction form
    369,671.94/510,147.30 = 199,906.07/x
  3. Step 3: Cross multiply
    369,671.94x = 510,147.30 × 199,906.07
  4. Step 4: Simplify right side
    369,671.94x = 101,981,539,313.38
  5. Step 5: Solve for x
    x = 101,981,539,313.38/369,671.94
  6. Step 6: Final answer
    x = 275,870.38

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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.