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Finding the Fourth Proportional to 375,494.55, 563,611.86 and 267,543.83

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Solution

The fourth proportional to 375,494.55, 563,611.86 and 267,543.83 is: 401,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,494.55 : 563,611.86 = 267,543.83 : x
  2. Step 2: Convert to fraction form
    375,494.55/563,611.86 = 267,543.83/x
  3. Step 3: Cross multiply
    375,494.55x = 563,611.86 × 267,543.83
  4. Step 4: Simplify right side
    375,494.55x = 150,790,872,839.77
  5. Step 5: Solve for x
    x = 150,790,872,839.77/375,494.55
  6. Step 6: Final answer
    x = 401,579.39

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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.