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Finding the Fourth Proportional to 604,096.82, 904,921.30 and 279,423.46

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Solution

The fourth proportional to 604,096.82, 904,921.30 and 279,423.46 is: 418,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,096.82 : 904,921.30 = 279,423.46 : x
  2. Step 2: Convert to fraction form
    604,096.82/904,921.30 = 279,423.46/x
  3. Step 3: Cross multiply
    604,096.82x = 904,921.30 × 279,423.46
  4. Step 4: Simplify right side
    604,096.82x = 252,856,236,149.09
  5. Step 5: Solve for x
    x = 252,856,236,149.09/604,096.82
  6. Step 6: Final answer
    x = 418,569.06

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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.