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Finding the Fourth Proportional to 512,601.64, 769,066.98 and 246,381.46

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Solution

The fourth proportional to 512,601.64, 769,066.98 and 246,381.46 is: 369,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,601.64 : 769,066.98 = 246,381.46 : x
  2. Step 2: Convert to fraction form
    512,601.64/769,066.98 = 246,381.46/x
  3. Step 3: Cross multiply
    512,601.64x = 769,066.98 × 246,381.46
  4. Step 4: Simplify right side
    512,601.64x = 189,483,845,370.19
  5. Step 5: Solve for x
    x = 189,483,845,370.19/512,601.64
  6. Step 6: Final answer
    x = 369,651.27

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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.