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Finding the Fourth Proportional to 557,761.70, 836,642.55 and 183,736.10

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Solution

The fourth proportional to 557,761.70, 836,642.55 and 183,736.10 is: 275,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,761.70 : 836,642.55 = 183,736.10 : x
  2. Step 2: Convert to fraction form
    557,761.70/836,642.55 = 183,736.10/x
  3. Step 3: Cross multiply
    557,761.70x = 836,642.55 × 183,736.10
  4. Step 4: Simplify right side
    557,761.70x = 153,721,439,231.06
  5. Step 5: Solve for x
    x = 153,721,439,231.06/557,761.70
  6. Step 6: Final answer
    x = 275,604.15

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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.