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Finding the Fourth Proportional to 324,765.80, 487,137.72 and 114,398.24

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Solution

The fourth proportional to 324,765.80, 487,137.72 and 114,398.24 is: 171,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,765.80 : 487,137.72 = 114,398.24 : x
  2. Step 2: Convert to fraction form
    324,765.80/487,137.72 = 114,398.24/x
  3. Step 3: Cross multiply
    324,765.80x = 487,137.72 × 114,398.24
  4. Step 4: Simplify right side
    324,765.80x = 55,727,697,805.61
  5. Step 5: Solve for x
    x = 55,727,697,805.61/324,765.80
  6. Step 6: Final answer
    x = 171,593.49

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1.5x scale

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.