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Finding the Fourth Proportional to 374,198.88, 561,042.11 and 134,307.45

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Solution

The fourth proportional to 374,198.88, 561,042.11 and 134,307.45 is: 201,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,198.88 : 561,042.11 = 134,307.45 : x
  2. Step 2: Convert to fraction form
    374,198.88/561,042.11 = 134,307.45/x
  3. Step 3: Cross multiply
    374,198.88x = 561,042.11 × 134,307.45
  4. Step 4: Simplify right side
    374,198.88x = 75,352,135,136.72
  5. Step 5: Solve for x
    x = 75,352,135,136.72/374,198.88
  6. Step 6: Final answer
    x = 201,369.22

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1.5x scale

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.