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Finding the Fourth Proportional to 363,786.36, 545,755.14 and 153,426.12

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Solution

The fourth proportional to 363,786.36, 545,755.14 and 153,426.12 is: 230,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,786.36 : 545,755.14 = 153,426.12 : x
  2. Step 2: Convert to fraction form
    363,786.36/545,755.14 = 153,426.12/x
  3. Step 3: Cross multiply
    363,786.36x = 545,755.14 × 153,426.12
  4. Step 4: Simplify right side
    363,786.36x = 83,733,093,600.26
  5. Step 5: Solve for x
    x = 83,733,093,600.26/363,786.36
  6. Step 6: Final answer
    x = 230,171.06

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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.