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Finding the Fourth Proportional to 544,085.70, 816,517.35 and 228,768.90

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Solution

The fourth proportional to 544,085.70, 816,517.35 and 228,768.90 is: 343,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,085.70 : 816,517.35 = 228,768.90 : x
  2. Step 2: Convert to fraction form
    544,085.70/816,517.35 = 228,768.90/x
  3. Step 3: Cross multiply
    544,085.70x = 816,517.35 × 228,768.90
  4. Step 4: Simplify right side
    544,085.70x = 186,793,775,990.42
  5. Step 5: Solve for x
    x = 186,793,775,990.42/544,085.70
  6. Step 6: Final answer
    x = 343,316.83

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1.5x scale

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.