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Finding the Fourth Proportional to 600,628.77, 900,315.45 and 200,940.75

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Solution

The fourth proportional to 600,628.77, 900,315.45 and 200,940.75 is: 301,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,628.77 : 900,315.45 = 200,940.75 : x
  2. Step 2: Convert to fraction form
    600,628.77/900,315.45 = 200,940.75/x
  3. Step 3: Cross multiply
    600,628.77x = 900,315.45 × 200,940.75
  4. Step 4: Simplify right side
    600,628.77x = 180,910,061,759.59
  5. Step 5: Solve for x
    x = 180,910,061,759.59/600,628.77
  6. Step 6: Final answer
    x = 301,201.13

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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.