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Finding the Fourth Proportional to 566,221.20, 849,331.80 and 522,918.60

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Solution

The fourth proportional to 566,221.20, 849,331.80 and 522,918.60 is: 784,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,221.20 : 849,331.80 = 522,918.60 : x
  2. Step 2: Convert to fraction form
    566,221.20/849,331.80 = 522,918.60/x
  3. Step 3: Cross multiply
    566,221.20x = 849,331.80 × 522,918.60
  4. Step 4: Simplify right side
    566,221.20x = 444,131,395,791.48
  5. Step 5: Solve for x
    x = 444,131,395,791.48/566,221.20
  6. Step 6: Final answer
    x = 784,377.90

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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.