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Finding the Fourth Proportional to 444,802.20, 667,203.30 and 112,378.20

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Solution

The fourth proportional to 444,802.20, 667,203.30 and 112,378.20 is: 168,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,802.20 : 667,203.30 = 112,378.20 : x
  2. Step 2: Convert to fraction form
    444,802.20/667,203.30 = 112,378.20/x
  3. Step 3: Cross multiply
    444,802.20x = 667,203.30 × 112,378.20
  4. Step 4: Simplify right side
    444,802.20x = 74,979,105,888.06
  5. Step 5: Solve for x
    x = 74,979,105,888.06/444,802.20
  6. Step 6: Final answer
    x = 168,567.30

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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.