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Finding the Fourth Proportional to 270,644.58, 373,486.77 and 149,786.10

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Solution

The fourth proportional to 270,644.58, 373,486.77 and 149,786.10 is: 206,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,644.58 : 373,486.77 = 149,786.10 : x
  2. Step 2: Convert to fraction form
    270,644.58/373,486.77 = 149,786.10/x
  3. Step 3: Cross multiply
    270,644.58x = 373,486.77 × 149,786.10
  4. Step 4: Simplify right side
    270,644.58x = 55,943,126,679.90
  5. Step 5: Solve for x
    x = 55,943,126,679.90/270,644.58
  6. Step 6: Final answer
    x = 206,703.30

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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.