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Finding the Fourth Proportional to 469,745.25, 704,615.99 and 170,155.73

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Solution

The fourth proportional to 469,745.25, 704,615.99 and 170,155.73 is: 255,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,745.25 : 704,615.99 = 170,155.73 : x
  2. Step 2: Convert to fraction form
    469,745.25/704,615.99 = 170,155.73/x
  3. Step 3: Cross multiply
    469,745.25x = 704,615.99 × 170,155.73
  4. Step 4: Simplify right side
    469,745.25x = 119,894,443,774.26
  5. Step 5: Solve for x
    x = 119,894,443,774.26/469,745.25
  6. Step 6: Final answer
    x = 255,232.90

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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.