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Finding the Fourth Proportional to 699,454.34, 965,247.02 and 397,648.34

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Solution

The fourth proportional to 699,454.34, 965,247.02 and 397,648.34 is: 548,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,454.34 : 965,247.02 = 397,648.34 : x
  2. Step 2: Convert to fraction form
    699,454.34/965,247.02 = 397,648.34/x
  3. Step 3: Cross multiply
    699,454.34x = 965,247.02 × 397,648.34
  4. Step 4: Simplify right side
    699,454.34x = 383,828,868,378.47
  5. Step 5: Solve for x
    x = 383,828,868,378.47/699,454.34
  6. Step 6: Final answer
    x = 548,754.72

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1.5x scale

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.