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Finding the Fourth Proportional to 374,866.56, 517,302.98 and 213,773.46

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Solution

The fourth proportional to 374,866.56, 517,302.98 and 213,773.46 is: 295,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,866.56 : 517,302.98 = 213,773.46 : x
  2. Step 2: Convert to fraction form
    374,866.56/517,302.98 = 213,773.46/x
  3. Step 3: Cross multiply
    374,866.56x = 517,302.98 × 213,773.46
  4. Step 4: Simplify right side
    374,866.56x = 110,585,647,902.91
  5. Step 5: Solve for x
    x = 110,585,647,902.91/374,866.56
  6. Step 6: Final answer
    x = 295,000.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.