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Finding the Fourth Proportional to 298,813.62, 412,350.75 and 162,844.64

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Solution

The fourth proportional to 298,813.62, 412,350.75 and 162,844.64 is: 224,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,813.62 : 412,350.75 = 162,844.64 : x
  2. Step 2: Convert to fraction form
    298,813.62/412,350.75 = 162,844.64/x
  3. Step 3: Cross multiply
    298,813.62x = 412,350.75 × 162,844.64
  4. Step 4: Simplify right side
    298,813.62x = 67,149,109,437.48
  5. Step 5: Solve for x
    x = 67,149,109,437.48/298,813.62
  6. Step 6: Final answer
    x = 224,719.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.