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Finding the Fourth Proportional to 414,874.51, 621,918.10 and 148,497.91

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Solution

The fourth proportional to 414,874.51, 621,918.10 and 148,497.91 is: 222,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,874.51 : 621,918.10 = 148,497.91 : x
  2. Step 2: Convert to fraction form
    414,874.51/621,918.10 = 148,497.91/x
  3. Step 3: Cross multiply
    414,874.51x = 621,918.10 × 148,497.91
  4. Step 4: Simplify right side
    414,874.51x = 92,353,536,672.00
  5. Step 5: Solve for x
    x = 92,353,536,672.00/414,874.51
  6. Step 6: Final answer
    x = 222,605.96

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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.