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Finding the Fourth Proportional to 315,505.64, 473,288.22 and 244,507.80

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Solution

The fourth proportional to 315,505.64, 473,288.22 and 244,507.80 is: 366,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,505.64 : 473,288.22 = 244,507.80 : x
  2. Step 2: Convert to fraction form
    315,505.64/473,288.22 = 244,507.80/x
  3. Step 3: Cross multiply
    315,505.64x = 473,288.22 × 244,507.80
  4. Step 4: Simplify right side
    315,505.64x = 115,722,661,438.12
  5. Step 5: Solve for x
    x = 115,722,661,438.12/315,505.64
  6. Step 6: Final answer
    x = 366,784.76

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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.