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Finding the Fourth Proportional to 222,777.38, 307,404.37 and 127,290.26

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Solution

The fourth proportional to 222,777.38, 307,404.37 and 127,290.26 is: 175,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,777.38 : 307,404.37 = 127,290.26 : x
  2. Step 2: Convert to fraction form
    222,777.38/307,404.37 = 127,290.26/x
  3. Step 3: Cross multiply
    222,777.38x = 307,404.37 × 127,290.26
  4. Step 4: Simplify right side
    222,777.38x = 39,129,582,182.44
  5. Step 5: Solve for x
    x = 39,129,582,182.44/222,777.38
  6. Step 6: Final answer
    x = 175,644.32

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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.