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Finding the Fourth Proportional to 492,244.20, 738,150.30 and 225,916.20

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Solution

The fourth proportional to 492,244.20, 738,150.30 and 225,916.20 is: 338,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,244.20 : 738,150.30 = 225,916.20 : x
  2. Step 2: Convert to fraction form
    492,244.20/738,150.30 = 225,916.20/x
  3. Step 3: Cross multiply
    492,244.20x = 738,150.30 × 225,916.20
  4. Step 4: Simplify right side
    492,244.20x = 166,760,110,804.86
  5. Step 5: Solve for x
    x = 166,760,110,804.86/492,244.20
  6. Step 6: Final answer
    x = 338,775.17

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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.