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Finding the Fourth Proportional to 273,486.78, 377,396.01 and 152,618.58

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Solution

The fourth proportional to 273,486.78, 377,396.01 and 152,618.58 is: 210,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,486.78 : 377,396.01 = 152,618.58 : x
  2. Step 2: Convert to fraction form
    273,486.78/377,396.01 = 152,618.58/x
  3. Step 3: Cross multiply
    273,486.78x = 377,396.01 × 152,618.58
  4. Step 4: Simplify right side
    273,486.78x = 57,597,643,143.87
  5. Step 5: Solve for x
    x = 57,597,643,143.87/273,486.78
  6. Step 6: Final answer
    x = 210,604.85

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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.