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Finding the Fourth Proportional to 324,424.81, 447,704.75 and 179,230.66

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Solution

The fourth proportional to 324,424.81, 447,704.75 and 179,230.66 is: 247,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,424.81 : 447,704.75 = 179,230.66 : x
  2. Step 2: Convert to fraction form
    324,424.81/447,704.75 = 179,230.66/x
  3. Step 3: Cross multiply
    324,424.81x = 447,704.75 × 179,230.66
  4. Step 4: Simplify right side
    324,424.81x = 80,242,417,156.45
  5. Step 5: Solve for x
    x = 80,242,417,156.45/324,424.81
  6. Step 6: Final answer
    x = 247,337.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.