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Finding the Fourth Proportional to 672,096.64, 927,493.44 and 370,288

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Solution

The fourth proportional to 672,096.64, 927,493.44 and 370,288 is: 510,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,096.64 : 927,493.44 = 370,288 : x
  2. Step 2: Convert to fraction form
    672,096.64/927,493.44 = 370,288/x
  3. Step 3: Cross multiply
    672,096.64x = 927,493.44 × 370,288
  4. Step 4: Simplify right side
    672,096.64x = 343,439,690,910.72
  5. Step 5: Solve for x
    x = 343,439,690,910.72/672,096.64
  6. Step 6: Final answer
    x = 510,997.48

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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.