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Finding the Fourth Proportional to 337,136.32, 505,778.32 and 126,774.28

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Solution

The fourth proportional to 337,136.32, 505,778.32 and 126,774.28 is: 190,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,136.32 : 505,778.32 = 126,774.28 : x
  2. Step 2: Convert to fraction form
    337,136.32/505,778.32 = 126,774.28/x
  3. Step 3: Cross multiply
    337,136.32x = 505,778.32 × 126,774.28
  4. Step 4: Simplify right side
    337,136.32x = 64,119,682,357.61
  5. Step 5: Solve for x
    x = 64,119,682,357.61/337,136.32
  6. Step 6: Final answer
    x = 190,189.19

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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.