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Finding the Fourth Proportional to 440,314.20, 660,263.10 and 170,568.67

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Solution

The fourth proportional to 440,314.20, 660,263.10 and 170,568.67 is: 255,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,314.20 : 660,263.10 = 170,568.67 : x
  2. Step 2: Convert to fraction form
    440,314.20/660,263.10 = 170,568.67/x
  3. Step 3: Cross multiply
    440,314.20x = 660,263.10 × 170,568.67
  4. Step 4: Simplify right side
    440,314.20x = 112,620,198,817.08
  5. Step 5: Solve for x
    x = 112,620,198,817.08/440,314.20
  6. Step 6: Final answer
    x = 255,772.35

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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.