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Finding the Fourth Proportional to 363,489.93, 545,196.02 and 126,837.09

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Solution

The fourth proportional to 363,489.93, 545,196.02 and 126,837.09 is: 190,242.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,489.93 : 545,196.02 = 126,837.09 : x
  2. Step 2: Convert to fraction form
    363,489.93/545,196.02 = 126,837.09/x
  3. Step 3: Cross multiply
    363,489.93x = 545,196.02 × 126,837.09
  4. Step 4: Simplify right side
    363,489.93x = 69,151,076,022.20
  5. Step 5: Solve for x
    x = 69,151,076,022.20/363,489.93
  6. Step 6: Final answer
    x = 190,242.07

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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.