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Finding the Fourth Proportional to 604,491, 906,731.10 and 225,398.88

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Solution

The fourth proportional to 604,491, 906,731.10 and 225,398.88 is: 338,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,491 : 906,731.10 = 225,398.88 : x
  2. Step 2: Convert to fraction form
    604,491/906,731.10 = 225,398.88/x
  3. Step 3: Cross multiply
    604,491x = 906,731.10 × 225,398.88
  4. Step 4: Simplify right side
    604,491x = 204,376,174,401.17
  5. Step 5: Solve for x
    x = 204,376,174,401.17/604,491
  6. Step 6: Final answer
    x = 338,096.31

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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.