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Finding the Fourth Proportional to 372,849.30, 558,880.11 and 267,611.22

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Solution

The fourth proportional to 372,849.30, 558,880.11 and 267,611.22 is: 401,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,849.30 : 558,880.11 = 267,611.22 : x
  2. Step 2: Convert to fraction form
    372,849.30/558,880.11 = 267,611.22/x
  3. Step 3: Cross multiply
    372,849.30x = 558,880.11 × 267,611.22
  4. Step 4: Simplify right side
    372,849.30x = 149,562,588,070.83
  5. Step 5: Solve for x
    x = 149,562,588,070.83/372,849.30
  6. Step 6: Final answer
    x = 401,134.15

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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.