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Finding the Fourth Proportional to 370,468.85, 511,247.51 and 200,702.97

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Solution

The fourth proportional to 370,468.85, 511,247.51 and 200,702.97 is: 276,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,468.85 : 511,247.51 = 200,702.97 : x
  2. Step 2: Convert to fraction form
    370,468.85/511,247.51 = 200,702.97/x
  3. Step 3: Cross multiply
    370,468.85x = 511,247.51 × 200,702.97
  4. Step 4: Simplify right side
    370,468.85x = 102,608,892,658.59
  5. Step 5: Solve for x
    x = 102,608,892,658.59/370,468.85
  6. Step 6: Final answer
    x = 276,970.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.