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Finding the Fourth Proportional to 273,456, 377,369.28 and 154,247.04

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Solution

The fourth proportional to 273,456, 377,369.28 and 154,247.04 is: 212,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,456 : 377,369.28 = 154,247.04 : x
  2. Step 2: Convert to fraction form
    273,456/377,369.28 = 154,247.04/x
  3. Step 3: Cross multiply
    273,456x = 377,369.28 × 154,247.04
  4. Step 4: Simplify right side
    273,456x = 58,208,094,426.93
  5. Step 5: Solve for x
    x = 58,208,094,426.93/273,456
  6. Step 6: Final answer
    x = 212,860.92

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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.