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Finding the Fourth Proportional to 557,763.20, 836,644.80 and 137,033.60

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Solution

The fourth proportional to 557,763.20, 836,644.80 and 137,033.60 is: 205,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,763.20 : 836,644.80 = 137,033.60 : x
  2. Step 2: Convert to fraction form
    557,763.20/836,644.80 = 137,033.60/x
  3. Step 3: Cross multiply
    557,763.20x = 836,644.80 × 137,033.60
  4. Step 4: Simplify right side
    557,763.20x = 114,648,448,865.28
  5. Step 5: Solve for x
    x = 114,648,448,865.28/557,763.20
  6. Step 6: Final answer
    x = 205,550.40

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Similar ratio
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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.