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Finding the Fourth Proportional to 324,767.80, 487,140.72 and 114,400.24

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Solution

The fourth proportional to 324,767.80, 487,140.72 and 114,400.24 is: 171,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,767.80 : 487,140.72 = 114,400.24 : x
  2. Step 2: Convert to fraction form
    324,767.80/487,140.72 = 114,400.24/x
  3. Step 3: Cross multiply
    324,767.80x = 487,140.72 × 114,400.24
  4. Step 4: Simplify right side
    324,767.80x = 55,729,015,281.77
  5. Step 5: Solve for x
    x = 55,729,015,281.77/324,767.80
  6. Step 6: Final answer
    x = 171,596.49

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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.