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Finding the Fourth Proportional to 699,452.46, 965,244.43 and 397,646.46

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Solution

The fourth proportional to 699,452.46, 965,244.43 and 397,646.46 is: 548,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,452.46 : 965,244.43 = 397,646.46 : x
  2. Step 2: Convert to fraction form
    699,452.46/965,244.43 = 397,646.46/x
  3. Step 3: Cross multiply
    699,452.46x = 965,244.43 × 397,646.46
  4. Step 4: Simplify right side
    699,452.46x = 383,826,030,624.22
  5. Step 5: Solve for x
    x = 383,826,030,624.22/699,452.46
  6. Step 6: Final answer
    x = 548,752.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.