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Finding the Fourth Proportional to 273,718.78, 377,728.11 and 159,062.20

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Solution

The fourth proportional to 273,718.78, 377,728.11 and 159,062.20 is: 219,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,718.78 : 377,728.11 = 159,062.20 : x
  2. Step 2: Convert to fraction form
    273,718.78/377,728.11 = 159,062.20/x
  3. Step 3: Cross multiply
    273,718.78x = 377,728.11 × 159,062.20
  4. Step 4: Simplify right side
    273,718.78x = 60,082,264,178.44
  5. Step 5: Solve for x
    x = 60,082,264,178.44/273,718.78
  6. Step 6: Final answer
    x = 219,503.62

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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.