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Finding the Fourth Proportional to 324,326.52, 486,515.70 and 114,011.64

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Solution

The fourth proportional to 324,326.52, 486,515.70 and 114,011.64 is: 171,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,326.52 : 486,515.70 = 114,011.64 : x
  2. Step 2: Convert to fraction form
    324,326.52/486,515.70 = 114,011.64/x
  3. Step 3: Cross multiply
    324,326.52x = 486,515.70 × 114,011.64
  4. Step 4: Simplify right side
    324,326.52x = 55,468,452,842.75
  5. Step 5: Solve for x
    x = 55,468,452,842.75/324,326.52
  6. Step 6: Final answer
    x = 171,026.57

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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.