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Finding the Fourth Proportional to 512,349.60, 768,524.40 and 246,045.90

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Solution

The fourth proportional to 512,349.60, 768,524.40 and 246,045.90 is: 369,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,349.60 : 768,524.40 = 246,045.90 : x
  2. Step 2: Convert to fraction form
    512,349.60/768,524.40 = 246,045.90/x
  3. Step 3: Cross multiply
    512,349.60x = 768,524.40 × 246,045.90
  4. Step 4: Simplify right side
    512,349.60x = 189,092,277,669.96
  5. Step 5: Solve for x
    x = 189,092,277,669.96/512,349.60
  6. Step 6: Final answer
    x = 369,068.85

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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.