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Finding the Fourth Proportional to 324,694.60, 487,108.86 and 114,479.08

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Solution

The fourth proportional to 324,694.60, 487,108.86 and 114,479.08 is: 171,742.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,694.60 : 487,108.86 = 114,479.08 : x
  2. Step 2: Convert to fraction form
    324,694.60/487,108.86 = 114,479.08/x
  3. Step 3: Cross multiply
    324,694.60x = 487,108.86 × 114,479.08
  4. Step 4: Simplify right side
    324,694.60x = 55,763,774,152.65
  5. Step 5: Solve for x
    x = 55,763,774,152.65/324,694.60
  6. Step 6: Final answer
    x = 171,742.23

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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.