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Finding the Fourth Proportional to 371,183.66, 512,234.82 and 201,417.79

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Solution

The fourth proportional to 371,183.66, 512,234.82 and 201,417.79 is: 277,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,183.66 : 512,234.82 = 201,417.79 : x
  2. Step 2: Convert to fraction form
    371,183.66/512,234.82 = 201,417.79/x
  3. Step 3: Cross multiply
    371,183.66x = 512,234.82 × 201,417.79
  4. Step 4: Simplify right side
    371,183.66x = 103,173,202,844.27
  5. Step 5: Solve for x
    x = 103,173,202,844.27/371,183.66
  6. Step 6: Final answer
    x = 277,957.29

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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.