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Finding the Fourth Proportional to 490,685.57, 734,847.34 and 332,434.25

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Solution

The fourth proportional to 490,685.57, 734,847.34 and 332,434.25 is: 497,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,685.57 : 734,847.34 = 332,434.25 : x
  2. Step 2: Convert to fraction form
    490,685.57/734,847.34 = 332,434.25/x
  3. Step 3: Cross multiply
    490,685.57x = 734,847.34 × 332,434.25
  4. Step 4: Simplify right side
    490,685.57x = 244,288,423,211.06
  5. Step 5: Solve for x
    x = 244,288,423,211.06/490,685.57
  6. Step 6: Final answer
    x = 497,851.25

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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.