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Finding the Fourth Proportional to 311,567.58, 467,351.37 and 74,910.25

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Solution

The fourth proportional to 311,567.58, 467,351.37 and 74,910.25 is: 112,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,567.58 : 467,351.37 = 74,910.25 : x
  2. Step 2: Convert to fraction form
    311,567.58/467,351.37 = 74,910.25/x
  3. Step 3: Cross multiply
    311,567.58x = 467,351.37 × 74,910.25
  4. Step 4: Simplify right side
    311,567.58x = 35,009,408,548.73
  5. Step 5: Solve for x
    x = 35,009,408,548.73/311,567.58
  6. Step 6: Final answer
    x = 112,365.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.