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Finding the Fourth Proportional to 324,465.60, 447,771.56 and 179,280.74

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Solution

The fourth proportional to 324,465.60, 447,771.56 and 179,280.74 is: 247,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,465.60 : 447,771.56 = 179,280.74 : x
  2. Step 2: Convert to fraction form
    324,465.60/447,771.56 = 179,280.74/x
  3. Step 3: Cross multiply
    324,465.60x = 447,771.56 × 179,280.74
  4. Step 4: Simplify right side
    324,465.60x = 80,276,816,599.88
  5. Step 5: Solve for x
    x = 80,276,816,599.88/324,465.60
  6. Step 6: Final answer
    x = 247,412.41

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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.