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Finding the Fourth Proportional to 539,627.45, 809,170.41 and 179,671.52

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Solution

The fourth proportional to 539,627.45, 809,170.41 and 179,671.52 is: 269,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,627.45 : 809,170.41 = 179,671.52 : x
  2. Step 2: Convert to fraction form
    539,627.45/809,170.41 = 179,671.52/x
  3. Step 3: Cross multiply
    539,627.45x = 809,170.41 × 179,671.52
  4. Step 4: Simplify right side
    539,627.45x = 145,384,874,638.18
  5. Step 5: Solve for x
    x = 145,384,874,638.18/539,627.45
  6. Step 6: Final answer
    x = 269,417.12

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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.