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Finding the Fourth Proportional to 276,885.02, 415,340.72 and 134,560.73

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Solution

The fourth proportional to 276,885.02, 415,340.72 and 134,560.73 is: 201,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,885.02 : 415,340.72 = 134,560.73 : x
  2. Step 2: Convert to fraction form
    276,885.02/415,340.72 = 134,560.73/x
  3. Step 3: Cross multiply
    276,885.02x = 415,340.72 × 134,560.73
  4. Step 4: Simplify right side
    276,885.02x = 55,888,549,809.12
  5. Step 5: Solve for x
    x = 55,888,549,809.12/276,885.02
  6. Step 6: Final answer
    x = 201,847.50

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1.5x scale

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.