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Finding the Fourth Proportional to 447,675.60, 671,632.20 and 194,847.60

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Solution

The fourth proportional to 447,675.60, 671,632.20 and 194,847.60 is: 292,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,675.60 : 671,632.20 = 194,847.60 : x
  2. Step 2: Convert to fraction form
    447,675.60/671,632.20 = 194,847.60/x
  3. Step 3: Cross multiply
    447,675.60x = 671,632.20 × 194,847.60
  4. Step 4: Simplify right side
    447,675.60x = 130,865,922,252.72
  5. Step 5: Solve for x
    x = 130,865,922,252.72/447,675.60
  6. Step 6: Final answer
    x = 292,323.11

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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.