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Finding the Fourth Proportional to 414,796.40, 622,526.90 and 190,262.72

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Solution

The fourth proportional to 414,796.40, 622,526.90 and 190,262.72 is: 285,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,796.40 : 622,526.90 = 190,262.72 : x
  2. Step 2: Convert to fraction form
    414,796.40/622,526.90 = 190,262.72/x
  3. Step 3: Cross multiply
    414,796.40x = 622,526.90 × 190,262.72
  4. Step 4: Simplify right side
    414,796.40x = 118,443,661,267.17
  5. Step 5: Solve for x
    x = 118,443,661,267.17/414,796.40
  6. Step 6: Final answer
    x = 285,546.50

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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.