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Finding the Fourth Proportional to 655,270.74, 904,176.09 and 368,773.74

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Solution

The fourth proportional to 655,270.74, 904,176.09 and 368,773.74 is: 508,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,270.74 : 904,176.09 = 368,773.74 : x
  2. Step 2: Convert to fraction form
    655,270.74/904,176.09 = 368,773.74/x
  3. Step 3: Cross multiply
    655,270.74x = 904,176.09 × 368,773.74
  4. Step 4: Simplify right side
    655,270.74x = 333,436,398,327.88
  5. Step 5: Solve for x
    x = 333,436,398,327.88/655,270.74
  6. Step 6: Final answer
    x = 508,852.87

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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.