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Finding the Fourth Proportional to 227,701.70, 341,552.55 and 221,140.70

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Solution

The fourth proportional to 227,701.70, 341,552.55 and 221,140.70 is: 331,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,701.70 : 341,552.55 = 221,140.70 : x
  2. Step 2: Convert to fraction form
    227,701.70/341,552.55 = 221,140.70/x
  3. Step 3: Cross multiply
    227,701.70x = 341,552.55 × 221,140.70
  4. Step 4: Simplify right side
    227,701.70x = 75,531,169,993.79
  5. Step 5: Solve for x
    x = 75,531,169,993.79/227,701.70
  6. Step 6: Final answer
    x = 331,711.05

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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.