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Finding the Fourth Proportional to 655,249.46, 904,273.36 and 368,788.10

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Solution

The fourth proportional to 655,249.46, 904,273.36 and 368,788.10 is: 508,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,249.46 : 904,273.36 = 368,788.10 : x
  2. Step 2: Convert to fraction form
    655,249.46/904,273.36 = 368,788.10/x
  3. Step 3: Cross multiply
    655,249.46x = 904,273.36 × 368,788.10
  4. Step 4: Simplify right side
    655,249.46x = 333,485,254,315.02
  5. Step 5: Solve for x
    x = 333,485,254,315.02/655,249.46
  6. Step 6: Final answer
    x = 508,943.96

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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.