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Finding the Fourth Proportional to 310,652.55, 465,683.46 and 198,016.59

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Solution

The fourth proportional to 310,652.55, 465,683.46 and 198,016.59 is: 296,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,652.55 : 465,683.46 = 198,016.59 : x
  2. Step 2: Convert to fraction form
    310,652.55/465,683.46 = 198,016.59/x
  3. Step 3: Cross multiply
    310,652.55x = 465,683.46 × 198,016.59
  4. Step 4: Simplify right side
    310,652.55x = 92,213,050,768.60
  5. Step 5: Solve for x
    x = 92,213,050,768.60/310,652.55
  6. Step 6: Final answer
    x = 296,836.61

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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.