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Finding the Fourth Proportional to 276,906.74, 415,360.07 and 66,544.67

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Solution

The fourth proportional to 276,906.74, 415,360.07 and 66,544.67 is: 99,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,906.74 : 415,360.07 = 66,544.67 : x
  2. Step 2: Convert to fraction form
    276,906.74/415,360.07 = 66,544.67/x
  3. Step 3: Cross multiply
    276,906.74x = 415,360.07 × 66,544.67
  4. Step 4: Simplify right side
    276,906.74x = 27,639,999,744.55
  5. Step 5: Solve for x
    x = 27,639,999,744.55/276,906.74
  6. Step 6: Final answer
    x = 99,817.00

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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.