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Finding the Fourth Proportional to 557,763.48, 836,745.66 and 203,275.08

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Solution

The fourth proportional to 557,763.48, 836,745.66 and 203,275.08 is: 304,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,763.48 : 836,745.66 = 203,275.08 : x
  2. Step 2: Convert to fraction form
    557,763.48/836,745.66 = 203,275.08/x
  3. Step 3: Cross multiply
    557,763.48x = 836,745.66 × 203,275.08
  4. Step 4: Simplify right side
    557,763.48x = 170,089,540,976.15
  5. Step 5: Solve for x
    x = 170,089,540,976.15/557,763.48
  6. Step 6: Final answer
    x = 304,949.23

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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.