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Finding the Fourth Proportional to 317,937.56, 438,745.01 and 174,697.56

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Solution

The fourth proportional to 317,937.56, 438,745.01 and 174,697.56 is: 241,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,937.56 : 438,745.01 = 174,697.56 : x
  2. Step 2: Convert to fraction form
    317,937.56/438,745.01 = 174,697.56/x
  3. Step 3: Cross multiply
    317,937.56x = 438,745.01 × 174,697.56
  4. Step 4: Simplify right side
    317,937.56x = 76,647,681,835.69
  5. Step 5: Solve for x
    x = 76,647,681,835.69/317,937.56
  6. Step 6: Final answer
    x = 241,077.79

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1.5x scale

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.