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Finding the Fourth Proportional to 339,612.09, 509,194.58 and 190,073.13

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Solution

The fourth proportional to 339,612.09, 509,194.58 and 190,073.13 is: 284,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,612.09 : 509,194.58 = 190,073.13 : x
  2. Step 2: Convert to fraction form
    339,612.09/509,194.58 = 190,073.13/x
  3. Step 3: Cross multiply
    339,612.09x = 509,194.58 × 190,073.13
  4. Step 4: Simplify right side
    339,612.09x = 96,784,206,649.27
  5. Step 5: Solve for x
    x = 96,784,206,649.27/339,612.09
  6. Step 6: Final answer
    x = 284,984.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.