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Finding the Fourth Proportional to 655,250.41, 904,524.54 and 440,515

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Solution

The fourth proportional to 655,250.41, 904,524.54 and 440,515 is: 608,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,250.41 : 904,524.54 = 440,515 : x
  2. Step 2: Convert to fraction form
    655,250.41/904,524.54 = 440,515/x
  3. Step 3: Cross multiply
    655,250.41x = 904,524.54 × 440,515
  4. Step 4: Simplify right side
    655,250.41x = 398,456,627,738.10
  5. Step 5: Solve for x
    x = 398,456,627,738.10/655,250.41
  6. Step 6: Final answer
    x = 608,098.25

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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.