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Finding the Fourth Proportional to 472,183.53, 651,594.22 and 257,318.97

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Solution

The fourth proportional to 472,183.53, 651,594.22 and 257,318.97 is: 355,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,183.53 : 651,594.22 = 257,318.97 : x
  2. Step 2: Convert to fraction form
    472,183.53/651,594.22 = 257,318.97/x
  3. Step 3: Cross multiply
    472,183.53x = 651,594.22 × 257,318.97
  4. Step 4: Simplify right side
    472,183.53x = 167,667,553,548.35
  5. Step 5: Solve for x
    x = 167,667,553,548.35/472,183.53
  6. Step 6: Final answer
    x = 355,089.80

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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.