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Finding the Fourth Proportional to 416,799.31, 575,183.66 and 225,812.71

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Solution

The fourth proportional to 416,799.31, 575,183.66 and 225,812.71 is: 311,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,799.31 : 575,183.66 = 225,812.71 : x
  2. Step 2: Convert to fraction form
    416,799.31/575,183.66 = 225,812.71/x
  3. Step 3: Cross multiply
    416,799.31x = 575,183.66 × 225,812.71
  4. Step 4: Simplify right side
    416,799.31x = 129,883,777,007.34
  5. Step 5: Solve for x
    x = 129,883,777,007.34/416,799.31
  6. Step 6: Final answer
    x = 311,621.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.