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Finding the Fourth Proportional to 286,523.49, 395,404.74 and 179,155.74

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Solution

The fourth proportional to 286,523.49, 395,404.74 and 179,155.74 is: 247,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,523.49 : 395,404.74 = 179,155.74 : x
  2. Step 2: Convert to fraction form
    286,523.49/395,404.74 = 179,155.74/x
  3. Step 3: Cross multiply
    286,523.49x = 395,404.74 × 179,155.74
  4. Step 4: Simplify right side
    286,523.49x = 70,839,028,794.21
  5. Step 5: Solve for x
    x = 70,839,028,794.21/286,523.49
  6. Step 6: Final answer
    x = 247,236.37

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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.