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Finding the Fourth Proportional to 371,183.16, 512,234.13 and 201,417.29

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Solution

The fourth proportional to 371,183.16, 512,234.13 and 201,417.29 is: 277,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,183.16 : 512,234.13 = 201,417.29 : x
  2. Step 2: Convert to fraction form
    371,183.16/512,234.13 = 201,417.29/x
  3. Step 3: Cross multiply
    371,183.16x = 512,234.13 × 201,417.29
  4. Step 4: Simplify right side
    371,183.16x = 103,172,807,748.94
  5. Step 5: Solve for x
    x = 103,172,807,748.94/371,183.16
  6. Step 6: Final answer
    x = 277,956.60

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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.