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Finding the Fourth Proportional to 303,993.33, 456,088.41 and 146,201.28

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Solution

The fourth proportional to 303,993.33, 456,088.41 and 146,201.28 is: 219,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,993.33 : 456,088.41 = 146,201.28 : x
  2. Step 2: Convert to fraction form
    303,993.33/456,088.41 = 146,201.28/x
  3. Step 3: Cross multiply
    303,993.33x = 456,088.41 × 146,201.28
  4. Step 4: Simplify right side
    303,993.33x = 66,680,709,335.16
  5. Step 5: Solve for x
    x = 66,680,709,335.16/303,993.33
  6. Step 6: Final answer
    x = 219,349.25

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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.