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Finding the Fourth Proportional to 655,371.45, 904,196.30 and 534,304.58

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Solution

The fourth proportional to 655,371.45, 904,196.30 and 534,304.58 is: 737,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,371.45 : 904,196.30 = 534,304.58 : x
  2. Step 2: Convert to fraction form
    655,371.45/904,196.30 = 534,304.58/x
  3. Step 3: Cross multiply
    655,371.45x = 904,196.30 × 534,304.58
  4. Step 4: Simplify right side
    655,371.45x = 483,116,217,116.55
  5. Step 5: Solve for x
    x = 483,116,217,116.55/655,371.45
  6. Step 6: Final answer
    x = 737,163.97

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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.