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Finding the Fourth Proportional to 566,786.80, 850,178.76 and 211,828.60

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Solution

The fourth proportional to 566,786.80, 850,178.76 and 211,828.60 is: 317,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,786.80 : 850,178.76 = 211,828.60 : x
  2. Step 2: Convert to fraction form
    566,786.80/850,178.76 = 211,828.60/x
  3. Step 3: Cross multiply
    566,786.80x = 850,178.76 × 211,828.60
  4. Step 4: Simplify right side
    566,786.80x = 180,092,176,480.54
  5. Step 5: Solve for x
    x = 180,092,176,480.54/566,786.80
  6. Step 6: Final answer
    x = 317,742.36

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Double scale
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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.