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Finding the Fourth Proportional to 344,131.74, 516,197.61 and 133,818.89

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Solution

The fourth proportional to 344,131.74, 516,197.61 and 133,818.89 is: 200,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,131.74 : 516,197.61 = 133,818.89 : x
  2. Step 2: Convert to fraction form
    344,131.74/516,197.61 = 133,818.89/x
  3. Step 3: Cross multiply
    344,131.74x = 516,197.61 × 133,818.89
  4. Step 4: Simplify right side
    344,131.74x = 69,076,988,609.86
  5. Step 5: Solve for x
    x = 69,076,988,609.86/344,131.74
  6. Step 6: Final answer
    x = 200,728.33

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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.