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Finding the Fourth Proportional to 296,468.80, 444,703.20 and 178,079.20

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Solution

The fourth proportional to 296,468.80, 444,703.20 and 178,079.20 is: 267,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,468.80 : 444,703.20 = 178,079.20 : x
  2. Step 2: Convert to fraction form
    296,468.80/444,703.20 = 178,079.20/x
  3. Step 3: Cross multiply
    296,468.80x = 444,703.20 × 178,079.20
  4. Step 4: Simplify right side
    296,468.80x = 79,192,390,093.44
  5. Step 5: Solve for x
    x = 79,192,390,093.44/296,468.80
  6. Step 6: Final answer
    x = 267,118.80

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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.