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Finding the Fourth Proportional to 273,486.35, 377,449.20 and 152,635.42

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Solution

The fourth proportional to 273,486.35, 377,449.20 and 152,635.42 is: 210,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,486.35 : 377,449.20 = 152,635.42 : x
  2. Step 2: Convert to fraction form
    273,486.35/377,449.20 = 152,635.42/x
  3. Step 3: Cross multiply
    273,486.35x = 377,449.20 × 152,635.42
  4. Step 4: Simplify right side
    273,486.35x = 57,612,117,170.66
  5. Step 5: Solve for x
    x = 57,612,117,170.66/273,486.35
  6. Step 6: Final answer
    x = 210,658.11

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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.