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Finding the Fourth Proportional to 355,711.44, 533,527.84 and 89,472.06

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Solution

The fourth proportional to 355,711.44, 533,527.84 and 89,472.06 is: 134,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,711.44 : 533,527.84 = 89,472.06 : x
  2. Step 2: Convert to fraction form
    355,711.44/533,527.84 = 89,472.06/x
  3. Step 3: Cross multiply
    355,711.44x = 533,527.84 × 89,472.06
  4. Step 4: Simplify right side
    355,711.44x = 47,735,834,912.15
  5. Step 5: Solve for x
    x = 47,735,834,912.15/355,711.44
  6. Step 6: Final answer
    x = 134,198.20

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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.