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Finding the Fourth Proportional to 298,270.52, 411,601.20 and 170,857.52

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Solution

The fourth proportional to 298,270.52, 411,601.20 and 170,857.52 is: 235,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,270.52 : 411,601.20 = 170,857.52 : x
  2. Step 2: Convert to fraction form
    298,270.52/411,601.20 = 170,857.52/x
  3. Step 3: Cross multiply
    298,270.52x = 411,601.20 × 170,857.52
  4. Step 4: Simplify right side
    298,270.52x = 70,325,160,261.02
  5. Step 5: Solve for x
    x = 70,325,160,261.02/298,270.52
  6. Step 6: Final answer
    x = 235,776.44

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1.5x scale

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.