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Finding the Fourth Proportional to 346,704.53, 520,045.85 and 205,517.27

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Solution

The fourth proportional to 346,704.53, 520,045.85 and 205,517.27 is: 308,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,704.53 : 520,045.85 = 205,517.27 : x
  2. Step 2: Convert to fraction form
    346,704.53/520,045.85 = 205,517.27/x
  3. Step 3: Cross multiply
    346,704.53x = 520,045.85 × 205,517.27
  4. Step 4: Simplify right side
    346,704.53x = 106,878,405,180.74
  5. Step 5: Solve for x
    x = 106,878,405,180.74/346,704.53
  6. Step 6: Final answer
    x = 308,269.43

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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.