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Finding the Fourth Proportional to 893,297.08, 1,339,192 and 387,477.24

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Solution

The fourth proportional to 893,297.08, 1,339,192 and 387,477.24 is: 580,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,297.08 : 1,339,192 = 387,477.24 : x
  2. Step 2: Convert to fraction form
    893,297.08/1,339,192 = 387,477.24/x
  3. Step 3: Cross multiply
    893,297.08x = 1,339,192 × 387,477.24
  4. Step 4: Simplify right side
    893,297.08x = 518,906,419,990.08
  5. Step 5: Solve for x
    x = 518,906,419,990.08/893,297.08
  6. Step 6: Final answer
    x = 580,888.97

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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.