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Finding the Fourth Proportional to 362,356.45, 500,035.20 and 201,221.80

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Solution

The fourth proportional to 362,356.45, 500,035.20 and 201,221.80 is: 277,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,356.45 : 500,035.20 = 201,221.80 : x
  2. Step 2: Convert to fraction form
    362,356.45/500,035.20 = 201,221.80/x
  3. Step 3: Cross multiply
    362,356.45x = 500,035.20 × 201,221.80
  4. Step 4: Simplify right side
    362,356.45x = 100,617,983,007.36
  5. Step 5: Solve for x
    x = 100,617,983,007.36/362,356.45
  6. Step 6: Final answer
    x = 277,676.81

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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.