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Finding the Fourth Proportional to 492,296.20, 738,228.30 and 225,968.20

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Solution

The fourth proportional to 492,296.20, 738,228.30 and 225,968.20 is: 338,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,296.20 : 738,228.30 = 225,968.20 : x
  2. Step 2: Convert to fraction form
    492,296.20/738,228.30 = 225,968.20/x
  3. Step 3: Cross multiply
    492,296.20x = 738,228.30 × 225,968.20
  4. Step 4: Simplify right side
    492,296.20x = 166,816,120,140.06
  5. Step 5: Solve for x
    x = 166,816,120,140.06/492,296.20
  6. Step 6: Final answer
    x = 338,853.15

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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.