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Finding the Fourth Proportional to 426,685.28, 588,801.24 and 254,797.20

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Solution

The fourth proportional to 426,685.28, 588,801.24 and 254,797.20 is: 351,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,685.28 : 588,801.24 = 254,797.20 : x
  2. Step 2: Convert to fraction form
    426,685.28/588,801.24 = 254,797.20/x
  3. Step 3: Cross multiply
    426,685.28x = 588,801.24 × 254,797.20
  4. Step 4: Simplify right side
    426,685.28x = 150,024,907,308.53
  5. Step 5: Solve for x
    x = 150,024,907,308.53/426,685.28
  6. Step 6: Final answer
    x = 351,605.54

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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.