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Finding the Fourth Proportional to 339,813.54, 468,838.80 and 223,493.85

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Solution

The fourth proportional to 339,813.54, 468,838.80 and 223,493.85 is: 308,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,813.54 : 468,838.80 = 223,493.85 : x
  2. Step 2: Convert to fraction form
    339,813.54/468,838.80 = 223,493.85/x
  3. Step 3: Cross multiply
    339,813.54x = 468,838.80 × 223,493.85
  4. Step 4: Simplify right side
    339,813.54x = 104,782,588,441.38
  5. Step 5: Solve for x
    x = 104,782,588,441.38/339,813.54
  6. Step 6: Final answer
    x = 308,353.19

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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.