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Finding the Fourth Proportional to 441,666.40, 662,510.44 and 161,183.60

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Solution

The fourth proportional to 441,666.40, 662,510.44 and 161,183.60 is: 241,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,666.40 : 662,510.44 = 161,183.60 : x
  2. Step 2: Convert to fraction form
    441,666.40/662,510.44 = 161,183.60/x
  3. Step 3: Cross multiply
    441,666.40x = 662,510.44 × 161,183.60
  4. Step 4: Simplify right side
    441,666.40x = 106,785,817,756.78
  5. Step 5: Solve for x
    x = 106,785,817,756.78/441,666.40
  6. Step 6: Final answer
    x = 241,779.36

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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.