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Finding the Fourth Proportional to 492,338.52, 738,212.52 and 225,765.10

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Solution

The fourth proportional to 492,338.52, 738,212.52 and 225,765.10 is: 338,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,338.52 : 738,212.52 = 225,765.10 : x
  2. Step 2: Convert to fraction form
    492,338.52/738,212.52 = 225,765.10/x
  3. Step 3: Cross multiply
    492,338.52x = 738,212.52 × 225,765.10
  4. Step 4: Simplify right side
    492,338.52x = 166,662,623,399.05
  5. Step 5: Solve for x
    x = 166,662,623,399.05/492,338.52
  6. Step 6: Final answer
    x = 338,512.26

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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.