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Finding the Fourth Proportional to 655,062.96, 904,004.54 and 368,593.23

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Solution

The fourth proportional to 655,062.96, 904,004.54 and 368,593.23 is: 508,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,062.96 : 904,004.54 = 368,593.23 : x
  2. Step 2: Convert to fraction form
    655,062.96/904,004.54 = 368,593.23/x
  3. Step 3: Cross multiply
    655,062.96x = 904,004.54 × 368,593.23
  4. Step 4: Simplify right side
    655,062.96x = 333,209,951,490.30
  5. Step 5: Solve for x
    x = 333,209,951,490.30/655,062.96
  6. Step 6: Final answer
    x = 508,668.59

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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.