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Finding the Fourth Proportional to 676,809.54, 933,997.17 and 375,003.54

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Solution

The fourth proportional to 676,809.54, 933,997.17 and 375,003.54 is: 517,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,809.54 : 933,997.17 = 375,003.54 : x
  2. Step 2: Convert to fraction form
    676,809.54/933,997.17 = 375,003.54/x
  3. Step 3: Cross multiply
    676,809.54x = 933,997.17 × 375,003.54
  4. Step 4: Simplify right side
    676,809.54x = 350,252,245,099.98
  5. Step 5: Solve for x
    x = 350,252,245,099.98/676,809.54
  6. Step 6: Final answer
    x = 517,504.89

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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.