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Finding the Fourth Proportional to 352,525.84, 486,485.92 and 191,380.92

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Solution

The fourth proportional to 352,525.84, 486,485.92 and 191,380.92 is: 264,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,525.84 : 486,485.92 = 191,380.92 : x
  2. Step 2: Convert to fraction form
    352,525.84/486,485.92 = 191,380.92/x
  3. Step 3: Cross multiply
    352,525.84x = 486,485.92 × 191,380.92
  4. Step 4: Simplify right side
    352,525.84x = 93,104,122,936.65
  5. Step 5: Solve for x
    x = 93,104,122,936.65/352,525.84
  6. Step 6: Final answer
    x = 264,105.81

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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.