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Finding the Fourth Proportional to 291,486.53, 437,229.80 and 113,868.99

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Solution

The fourth proportional to 291,486.53, 437,229.80 and 113,868.99 is: 170,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,486.53 : 437,229.80 = 113,868.99 : x
  2. Step 2: Convert to fraction form
    291,486.53/437,229.80 = 113,868.99/x
  3. Step 3: Cross multiply
    291,486.53x = 437,229.80 × 113,868.99
  4. Step 4: Simplify right side
    291,486.53x = 49,786,915,581.57
  5. Step 5: Solve for x
    x = 49,786,915,581.57/291,486.53
  6. Step 6: Final answer
    x = 170,803.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.