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Finding the Fourth Proportional to 339,433.73, 509,360.84 and 197,345.87

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Solution

The fourth proportional to 339,433.73, 509,360.84 and 197,345.87 is: 296,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,433.73 : 509,360.84 = 197,345.87 : x
  2. Step 2: Convert to fraction form
    339,433.73/509,360.84 = 197,345.87/x
  3. Step 3: Cross multiply
    339,433.73x = 509,360.84 × 197,345.87
  4. Step 4: Simplify right side
    339,433.73x = 100,520,254,580.20
  5. Step 5: Solve for x
    x = 100,520,254,580.20/339,433.73
  6. Step 6: Final answer
    x = 296,141.03

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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.