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Finding the Fourth Proportional to 351,514.69, 485,090.90 and 190,369.27

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Solution

The fourth proportional to 351,514.69, 485,090.90 and 190,369.27 is: 262,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,514.69 : 485,090.90 = 190,369.27 : x
  2. Step 2: Convert to fraction form
    351,514.69/485,090.90 = 190,369.27/x
  3. Step 3: Cross multiply
    351,514.69x = 485,090.90 × 190,369.27
  4. Step 4: Simplify right side
    351,514.69x = 92,346,400,516.64
  5. Step 5: Solve for x
    x = 92,346,400,516.64/351,514.69
  6. Step 6: Final answer
    x = 262,709.93

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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.