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Finding the Fourth Proportional to 273,040.84, 376,765.20 and 158,295.55

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Solution

The fourth proportional to 273,040.84, 376,765.20 and 158,295.55 is: 218,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,040.84 : 376,765.20 = 158,295.55 : x
  2. Step 2: Convert to fraction form
    273,040.84/376,765.20 = 158,295.55/x
  3. Step 3: Cross multiply
    273,040.84x = 376,765.20 × 158,295.55
  4. Step 4: Simplify right side
    273,040.84x = 59,640,252,671.03
  5. Step 5: Solve for x
    x = 59,640,252,671.03/273,040.84
  6. Step 6: Final answer
    x = 218,429.79

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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.