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Finding the Fourth Proportional to 298,041.62, 411,280.81 and 170,725.41

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Solution

The fourth proportional to 298,041.62, 411,280.81 and 170,725.41 is: 235,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,041.62 : 411,280.81 = 170,725.41 : x
  2. Step 2: Convert to fraction form
    298,041.62/411,280.81 = 170,725.41/x
  3. Step 3: Cross multiply
    298,041.62x = 411,280.81 × 170,725.41
  4. Step 4: Simplify right side
    298,041.62x = 70,216,084,485.57
  5. Step 5: Solve for x
    x = 70,216,084,485.57/298,041.62
  6. Step 6: Final answer
    x = 235,591.54

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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.