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Finding the Fourth Proportional to 270,727.80, 373,602.90 and 148,231.32

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Solution

The fourth proportional to 270,727.80, 373,602.90 and 148,231.32 is: 204,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,727.80 : 373,602.90 = 148,231.32 : x
  2. Step 2: Convert to fraction form
    270,727.80/373,602.90 = 148,231.32/x
  3. Step 3: Cross multiply
    270,727.80x = 373,602.90 × 148,231.32
  4. Step 4: Simplify right side
    270,727.80x = 55,379,651,022.83
  5. Step 5: Solve for x
    x = 55,379,651,022.83/270,727.80
  6. Step 6: Final answer
    x = 204,558.42

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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.