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Finding the Fourth Proportional to 266,520.06, 399,457.08 and 195,743.34

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Solution

The fourth proportional to 266,520.06, 399,457.08 and 195,743.34 is: 293,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,520.06 : 399,457.08 = 195,743.34 : x
  2. Step 2: Convert to fraction form
    266,520.06/399,457.08 = 195,743.34/x
  3. Step 3: Cross multiply
    266,520.06x = 399,457.08 × 195,743.34
  4. Step 4: Simplify right side
    266,520.06x = 78,191,063,025.85
  5. Step 5: Solve for x
    x = 78,191,063,025.85/266,520.06
  6. Step 6: Final answer
    x = 293,377.78

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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.