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Finding the Fourth Proportional to 426,005.73, 587,889.90 and 235,019.07

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Solution

The fourth proportional to 426,005.73, 587,889.90 and 235,019.07 is: 324,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,005.73 : 587,889.90 = 235,019.07 : x
  2. Step 2: Convert to fraction form
    426,005.73/587,889.90 = 235,019.07/x
  3. Step 3: Cross multiply
    426,005.73x = 587,889.90 × 235,019.07
  4. Step 4: Simplify right side
    426,005.73x = 138,165,337,560.39
  5. Step 5: Solve for x
    x = 138,165,337,560.39/426,005.73
  6. Step 6: Final answer
    x = 324,327.42

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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.