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Finding the Fourth Proportional to 315,562.05, 473,571.43 and 123,464.88

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Solution

The fourth proportional to 315,562.05, 473,571.43 and 123,464.88 is: 185,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,562.05 : 473,571.43 = 123,464.88 : x
  2. Step 2: Convert to fraction form
    315,562.05/473,571.43 = 123,464.88/x
  3. Step 3: Cross multiply
    315,562.05x = 473,571.43 × 123,464.88
  4. Step 4: Simplify right side
    315,562.05x = 58,469,439,776.38
  5. Step 5: Solve for x
    x = 58,469,439,776.38/315,562.05
  6. Step 6: Final answer
    x = 185,286.66

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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.