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Finding the Fourth Proportional to 484,967.31, 727,450.89 and 148,009.69

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Solution

The fourth proportional to 484,967.31, 727,450.89 and 148,009.69 is: 222,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,967.31 : 727,450.89 = 148,009.69 : x
  2. Step 2: Convert to fraction form
    484,967.31/727,450.89 = 148,009.69/x
  3. Step 3: Cross multiply
    484,967.31x = 727,450.89 × 148,009.69
  4. Step 4: Simplify right side
    484,967.31x = 107,669,780,719.12
  5. Step 5: Solve for x
    x = 107,669,780,719.12/484,967.31
  6. Step 6: Final answer
    x = 222,014.51

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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.