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Finding the Fourth Proportional to 373,859.50, 515,928.27 and 204,095.38

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Solution

The fourth proportional to 373,859.50, 515,928.27 and 204,095.38 is: 281,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,859.50 : 515,928.27 = 204,095.38 : x
  2. Step 2: Convert to fraction form
    373,859.50/515,928.27 = 204,095.38/x
  3. Step 3: Cross multiply
    373,859.50x = 515,928.27 × 204,095.38
  4. Step 4: Simplify right side
    373,859.50x = 105,298,576,318.39
  5. Step 5: Solve for x
    x = 105,298,576,318.39/373,859.50
  6. Step 6: Final answer
    x = 281,652.80

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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.