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Finding the Fourth Proportional to 557,755.70, 836,633.55 and 137,026.10

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Solution

The fourth proportional to 557,755.70, 836,633.55 and 137,026.10 is: 205,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,755.70 : 836,633.55 = 137,026.10 : x
  2. Step 2: Convert to fraction form
    557,755.70/836,633.55 = 137,026.10/x
  3. Step 3: Cross multiply
    557,755.70x = 836,633.55 × 137,026.10
  4. Step 4: Simplify right side
    557,755.70x = 114,640,632,485.66
  5. Step 5: Solve for x
    x = 114,640,632,485.66/557,755.70
  6. Step 6: Final answer
    x = 205,539.15

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Similar ratio
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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.