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Finding the Fourth Proportional to 655,356.13, 904,333.83 and 364,945.75

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Solution

The fourth proportional to 655,356.13, 904,333.83 and 364,945.75 is: 503,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,356.13 : 904,333.83 = 364,945.75 : x
  2. Step 2: Convert to fraction form
    655,356.13/904,333.83 = 364,945.75/x
  3. Step 3: Cross multiply
    655,356.13x = 904,333.83 × 364,945.75
  4. Step 4: Simplify right side
    655,356.13x = 330,032,786,263.16
  5. Step 5: Solve for x
    x = 330,032,786,263.16/655,356.13
  6. Step 6: Final answer
    x = 503,593.04

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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.