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Finding the Fourth Proportional to 426,698.39, 588,822.12 and 235,674.87

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Solution

The fourth proportional to 426,698.39, 588,822.12 and 235,674.87 is: 325,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,698.39 : 588,822.12 = 235,674.87 : x
  2. Step 2: Convert to fraction form
    426,698.39/588,822.12 = 235,674.87/x
  3. Step 3: Cross multiply
    426,698.39x = 588,822.12 × 235,674.87
  4. Step 4: Simplify right side
    426,698.39x = 138,770,576,584.12
  5. Step 5: Solve for x
    x = 138,770,576,584.12/426,698.39
  6. Step 6: Final answer
    x = 325,219.36

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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.