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Finding the Fourth Proportional to 318,453.93, 438,956.42 and 241,723.04

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Solution

The fourth proportional to 318,453.93, 438,956.42 and 241,723.04 is: 333,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,453.93 : 438,956.42 = 241,723.04 : x
  2. Step 2: Convert to fraction form
    318,453.93/438,956.42 = 241,723.04/x
  3. Step 3: Cross multiply
    318,453.93x = 438,956.42 × 241,723.04
  4. Step 4: Simplify right side
    318,453.93x = 106,105,876,866.52
  5. Step 5: Solve for x
    x = 106,105,876,866.52/318,453.93
  6. Step 6: Final answer
    x = 333,190.67

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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.