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Finding the Fourth Proportional to 430,297.28, 593,801.82 and 239,306.60

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Solution

The fourth proportional to 430,297.28, 593,801.82 and 239,306.60 is: 330,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,297.28 : 593,801.82 = 239,306.60 : x
  2. Step 2: Convert to fraction form
    430,297.28/593,801.82 = 239,306.60/x
  3. Step 3: Cross multiply
    430,297.28x = 593,801.82 × 239,306.60
  4. Step 4: Simplify right side
    430,297.28x = 142,100,694,618.01
  5. Step 5: Solve for x
    x = 142,100,694,618.01/430,297.28
  6. Step 6: Final answer
    x = 330,238.42

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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.