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Finding the Fourth Proportional to 467,328.37, 700,992.31 and 112,342.28

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Solution

The fourth proportional to 467,328.37, 700,992.31 and 112,342.28 is: 168,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,328.37 : 700,992.31 = 112,342.28 : x
  2. Step 2: Convert to fraction form
    467,328.37/700,992.31 = 112,342.28/x
  3. Step 3: Cross multiply
    467,328.37x = 700,992.31 × 112,342.28
  4. Step 4: Simplify right side
    467,328.37x = 78,751,074,367.87
  5. Step 5: Solve for x
    x = 78,751,074,367.87/467,328.37
  6. Step 6: Final answer
    x = 168,513.36

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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.