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Finding the Fourth Proportional to 436,767.64, 655,151.24 and 121,224.46

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Solution

The fourth proportional to 436,767.64, 655,151.24 and 121,224.46 is: 181,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,767.64 : 655,151.24 = 121,224.46 : x
  2. Step 2: Convert to fraction form
    436,767.64/655,151.24 = 121,224.46/x
  3. Step 3: Cross multiply
    436,767.64x = 655,151.24 × 121,224.46
  4. Step 4: Simplify right side
    436,767.64x = 79,420,355,287.33
  5. Step 5: Solve for x
    x = 79,420,355,287.33/436,767.64
  6. Step 6: Final answer
    x = 181,836.63

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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.