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Finding the Fourth Proportional to 303,522.36, 455,332.95 and 113,997.48

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Solution

The fourth proportional to 303,522.36, 455,332.95 and 113,997.48 is: 171,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,522.36 : 455,332.95 = 113,997.48 : x
  2. Step 2: Convert to fraction form
    303,522.36/455,332.95 = 113,997.48/x
  3. Step 3: Cross multiply
    303,522.36x = 455,332.95 × 113,997.48
  4. Step 4: Simplify right side
    303,522.36x = 51,906,808,860.97
  5. Step 5: Solve for x
    x = 51,906,808,860.97/303,522.36
  6. Step 6: Final answer
    x = 171,014.78

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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.