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Finding the Fourth Proportional to 270,062.80, 403,927.80 and 228,072.40

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Solution

The fourth proportional to 270,062.80, 403,927.80 and 228,072.40 is: 341,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,062.80 : 403,927.80 = 228,072.40 : x
  2. Step 2: Convert to fraction form
    270,062.80/403,927.80 = 228,072.40/x
  3. Step 3: Cross multiply
    270,062.80x = 403,927.80 × 228,072.40
  4. Step 4: Simplify right side
    270,062.80x = 92,124,782,772.72
  5. Step 5: Solve for x
    x = 92,124,782,772.72/270,062.80
  6. Step 6: Final answer
    x = 341,123.56

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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.