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Finding the Fourth Proportional to 655,367.31, 904,190.60 and 534,300.45

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Solution

The fourth proportional to 655,367.31, 904,190.60 and 534,300.45 is: 737,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,367.31 : 904,190.60 = 534,300.45 : x
  2. Step 2: Convert to fraction form
    655,367.31/904,190.60 = 534,300.45/x
  3. Step 3: Cross multiply
    655,367.31x = 904,190.60 × 534,300.45
  4. Step 4: Simplify right side
    655,367.31x = 483,109,441,794.27
  5. Step 5: Solve for x
    x = 483,109,441,794.27/655,367.31
  6. Step 6: Final answer
    x = 737,158.28

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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.