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Finding the Fourth Proportional to 472,796.80, 709,195.20 and 367,043.20

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Solution

The fourth proportional to 472,796.80, 709,195.20 and 367,043.20 is: 550,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,796.80 : 709,195.20 = 367,043.20 : x
  2. Step 2: Convert to fraction form
    472,796.80/709,195.20 = 367,043.20/x
  3. Step 3: Cross multiply
    472,796.80x = 709,195.20 × 367,043.20
  4. Step 4: Simplify right side
    472,796.80x = 260,305,275,632.64
  5. Step 5: Solve for x
    x = 260,305,275,632.64/472,796.80
  6. Step 6: Final answer
    x = 550,564.80

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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.