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Finding the Fourth Proportional to 655,481.16, 904,650.24 and 369,057.06

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Solution

The fourth proportional to 655,481.16, 904,650.24 and 369,057.06 is: 509,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,481.16 : 904,650.24 = 369,057.06 : x
  2. Step 2: Convert to fraction form
    655,481.16/904,650.24 = 369,057.06/x
  3. Step 3: Cross multiply
    655,481.16x = 904,650.24 × 369,057.06
  4. Step 4: Simplify right side
    655,481.16x = 333,867,557,902.69
  5. Step 5: Solve for x
    x = 333,867,557,902.69/655,481.16
  6. Step 6: Final answer
    x = 509,347.30

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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.