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Finding the Fourth Proportional to 339,509.46, 468,558.63 and 188,606.46

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Solution

The fourth proportional to 339,509.46, 468,558.63 and 188,606.46 is: 260,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,509.46 : 468,558.63 = 188,606.46 : x
  2. Step 2: Convert to fraction form
    339,509.46/468,558.63 = 188,606.46/x
  3. Step 3: Cross multiply
    339,509.46x = 468,558.63 × 188,606.46
  4. Step 4: Simplify right side
    339,509.46x = 88,373,184,506.75
  5. Step 5: Solve for x
    x = 88,373,184,506.75/339,509.46
  6. Step 6: Final answer
    x = 260,296.68

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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.