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Finding the Fourth Proportional to 315,794.77, 472,843.32 and 240,556.51

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Solution

The fourth proportional to 315,794.77, 472,843.32 and 240,556.51 is: 360,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,794.77 : 472,843.32 = 240,556.51 : x
  2. Step 2: Convert to fraction form
    315,794.77/472,843.32 = 240,556.51/x
  3. Step 3: Cross multiply
    315,794.77x = 472,843.32 × 240,556.51
  4. Step 4: Simplify right side
    315,794.77x = 113,745,538,836.01
  5. Step 5: Solve for x
    x = 113,745,538,836.01/315,794.77
  6. Step 6: Final answer
    x = 360,188.17

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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.