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Finding the Fourth Proportional to 492,649.02, 738,705.29 and 222,460.56

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Solution

The fourth proportional to 492,649.02, 738,705.29 and 222,460.56 is: 333,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,649.02 : 738,705.29 = 222,460.56 : x
  2. Step 2: Convert to fraction form
    492,649.02/738,705.29 = 222,460.56/x
  3. Step 3: Cross multiply
    492,649.02x = 738,705.29 × 222,460.56
  4. Step 4: Simplify right side
    492,649.02x = 164,332,791,376.06
  5. Step 5: Solve for x
    x = 164,332,791,376.06/492,649.02
  6. Step 6: Final answer
    x = 333,569.71

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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.