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Finding the Fourth Proportional to 276,756.55, 381,778.55 and 174,745.15

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Solution

The fourth proportional to 276,756.55, 381,778.55 and 174,745.15 is: 241,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,756.55 : 381,778.55 = 174,745.15 : x
  2. Step 2: Convert to fraction form
    276,756.55/381,778.55 = 174,745.15/x
  3. Step 3: Cross multiply
    276,756.55x = 381,778.55 × 174,745.15
  4. Step 4: Simplify right side
    276,756.55x = 66,713,948,813.65
  5. Step 5: Solve for x
    x = 66,713,948,813.65/276,756.55
  6. Step 6: Final answer
    x = 241,056.44

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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.