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Finding the Fourth Proportional to 300,860.96, 415,229.58 and 173,533.76

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Solution

The fourth proportional to 300,860.96, 415,229.58 and 173,533.76 is: 239,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,860.96 : 415,229.58 = 173,533.76 : x
  2. Step 2: Convert to fraction form
    300,860.96/415,229.58 = 173,533.76/x
  3. Step 3: Cross multiply
    300,860.96x = 415,229.58 × 173,533.76
  4. Step 4: Simplify right side
    300,860.96x = 72,056,350,280.62
  5. Step 5: Solve for x
    x = 72,056,350,280.62/300,860.96
  6. Step 6: Final answer
    x = 239,500.50

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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.