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Finding the Fourth Proportional to 339,015.36, 467,931.96 and 211,614.24

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Solution

The fourth proportional to 339,015.36, 467,931.96 and 211,614.24 is: 292,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,015.36 : 467,931.96 = 211,614.24 : x
  2. Step 2: Convert to fraction form
    339,015.36/467,931.96 = 211,614.24/x
  3. Step 3: Cross multiply
    339,015.36x = 467,931.96 × 211,614.24
  4. Step 4: Simplify right side
    339,015.36x = 99,021,066,087.11
  5. Step 5: Solve for x
    x = 99,021,066,087.11/339,015.36
  6. Step 6: Final answer
    x = 292,084.31

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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.