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Finding the Fourth Proportional to 414,983.70, 622,548.45 and 148,898.70

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Solution

The fourth proportional to 414,983.70, 622,548.45 and 148,898.70 is: 223,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,983.70 : 622,548.45 = 148,898.70 : x
  2. Step 2: Convert to fraction form
    414,983.70/622,548.45 = 148,898.70/x
  3. Step 3: Cross multiply
    414,983.70x = 622,548.45 × 148,898.70
  4. Step 4: Simplify right side
    414,983.70x = 92,696,654,892.02
  5. Step 5: Solve for x
    x = 92,696,654,892.02/414,983.70
  6. Step 6: Final answer
    x = 223,374.21

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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.