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Finding the Fourth Proportional to 352,745.40, 486,780.56 and 191,596.92

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Solution

The fourth proportional to 352,745.40, 486,780.56 and 191,596.92 is: 264,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,745.40 : 486,780.56 = 191,596.92 : x
  2. Step 2: Convert to fraction form
    352,745.40/486,780.56 = 191,596.92/x
  3. Step 3: Cross multiply
    352,745.40x = 486,780.56 × 191,596.92
  4. Step 4: Simplify right side
    352,745.40x = 93,265,656,011.88
  5. Step 5: Solve for x
    x = 93,265,656,011.88/352,745.40
  6. Step 6: Final answer
    x = 264,399.35

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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.