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Finding the Fourth Proportional to 243,877.80, 367,644.61 and 227,621.10

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Solution

The fourth proportional to 243,877.80, 367,644.61 and 227,621.10 is: 343,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,877.80 : 367,644.61 = 227,621.10 : x
  2. Step 2: Convert to fraction form
    243,877.80/367,644.61 = 227,621.10/x
  3. Step 3: Cross multiply
    243,877.80x = 367,644.61 × 227,621.10
  4. Step 4: Simplify right side
    243,877.80x = 83,683,670,537.27
  5. Step 5: Solve for x
    x = 83,683,670,537.27/243,877.80
  6. Step 6: Final answer
    x = 343,137.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.