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Finding the Fourth Proportional to 441,016.90, 661,680.86 and 160,562.50

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Solution

The fourth proportional to 441,016.90, 661,680.86 and 160,562.50 is: 240,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,016.90 : 661,680.86 = 160,562.50 : x
  2. Step 2: Convert to fraction form
    441,016.90/661,680.86 = 160,562.50/x
  3. Step 3: Cross multiply
    441,016.90x = 661,680.86 × 160,562.50
  4. Step 4: Simplify right side
    441,016.90x = 106,241,133,083.75
  5. Step 5: Solve for x
    x = 106,241,133,083.75/441,016.90
  6. Step 6: Final answer
    x = 240,900.37

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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.