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Finding the Fourth Proportional to 264,920.70, 396,473.85 and 159,815.10

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Solution

The fourth proportional to 264,920.70, 396,473.85 and 159,815.10 is: 239,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,920.70 : 396,473.85 = 159,815.10 : x
  2. Step 2: Convert to fraction form
    264,920.70/396,473.85 = 159,815.10/x
  3. Step 3: Cross multiply
    264,920.70x = 396,473.85 × 159,815.10
  4. Step 4: Simplify right side
    264,920.70x = 63,362,507,985.14
  5. Step 5: Solve for x
    x = 63,362,507,985.14/264,920.70
  6. Step 6: Final answer
    x = 239,175.38

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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.