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Finding the Fourth Proportional to 605,857.32, 907,781.22 and 368,481.96

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Solution

The fourth proportional to 605,857.32, 907,781.22 and 368,481.96 is: 552,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,857.32 : 907,781.22 = 368,481.96 : x
  2. Step 2: Convert to fraction form
    605,857.32/907,781.22 = 368,481.96/x
  3. Step 3: Cross multiply
    605,857.32x = 907,781.22 × 368,481.96
  4. Step 4: Simplify right side
    605,857.32x = 334,501,003,196.79
  5. Step 5: Solve for x
    x = 334,501,003,196.79/605,857.32
  6. Step 6: Final answer
    x = 552,111.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.