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Finding the Fourth Proportional to 426,038.67, 587,935.26 and 235,057.68

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Solution

The fourth proportional to 426,038.67, 587,935.26 and 235,057.68 is: 324,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,038.67 : 587,935.26 = 235,057.68 : x
  2. Step 2: Convert to fraction form
    426,038.67/587,935.26 = 235,057.68/x
  3. Step 3: Cross multiply
    426,038.67x = 587,935.26 × 235,057.68
  4. Step 4: Simplify right side
    426,038.67x = 138,198,698,205.80
  5. Step 5: Solve for x
    x = 138,198,698,205.80/426,038.67
  6. Step 6: Final answer
    x = 324,380.64

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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.