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Finding the Fourth Proportional to 339,367.68, 468,330.24 and 188,467.20

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Solution

The fourth proportional to 339,367.68, 468,330.24 and 188,467.20 is: 260,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,367.68 : 468,330.24 = 188,467.20 : x
  2. Step 2: Convert to fraction form
    339,367.68/468,330.24 = 188,467.20/x
  3. Step 3: Cross multiply
    339,367.68x = 468,330.24 × 188,467.20
  4. Step 4: Simplify right side
    339,367.68x = 88,264,889,008.13
  5. Step 5: Solve for x
    x = 88,264,889,008.13/339,367.68
  6. Step 6: Final answer
    x = 260,086.31

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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.