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Finding the Fourth Proportional to 467,328.87, 700,993.05 and 112,342.79

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Solution

The fourth proportional to 467,328.87, 700,993.05 and 112,342.79 is: 168,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,328.87 : 700,993.05 = 112,342.79 : x
  2. Step 2: Convert to fraction form
    467,328.87/700,993.05 = 112,342.79/x
  3. Step 3: Cross multiply
    467,328.87x = 700,993.05 × 112,342.79
  4. Step 4: Simplify right side
    467,328.87x = 78,751,511,502.64
  5. Step 5: Solve for x
    x = 78,751,511,502.64/467,328.87
  6. Step 6: Final answer
    x = 168,514.12

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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.