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Finding the Fourth Proportional to 426,040.80, 587,938.22 and 235,059.81

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Solution

The fourth proportional to 426,040.80, 587,938.22 and 235,059.81 is: 324,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,040.80 : 587,938.22 = 235,059.81 : x
  2. Step 2: Convert to fraction form
    426,040.80/587,938.22 = 235,059.81/x
  3. Step 3: Cross multiply
    426,040.80x = 587,938.22 × 235,059.81
  4. Step 4: Simplify right side
    426,040.80x = 138,200,646,284.94
  5. Step 5: Solve for x
    x = 138,200,646,284.94/426,040.80
  6. Step 6: Final answer
    x = 324,383.59

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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.