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Finding the Fourth Proportional to 591,125.82, 886,813.44 and 191,735.58

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Solution

The fourth proportional to 591,125.82, 886,813.44 and 191,735.58 is: 287,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,125.82 : 886,813.44 = 191,735.58 : x
  2. Step 2: Convert to fraction form
    591,125.82/886,813.44 = 191,735.58/x
  3. Step 3: Cross multiply
    591,125.82x = 886,813.44 × 191,735.58
  4. Step 4: Simplify right side
    591,125.82x = 170,033,689,270.20
  5. Step 5: Solve for x
    x = 170,033,689,270.20/591,125.82
  6. Step 6: Final answer
    x = 287,643.82

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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.