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Finding the Fourth Proportional to 339,490.34, 508,752.72 and 250,040.42

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Solution

The fourth proportional to 339,490.34, 508,752.72 and 250,040.42 is: 374,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,490.34 : 508,752.72 = 250,040.42 : x
  2. Step 2: Convert to fraction form
    339,490.34/508,752.72 = 250,040.42/x
  3. Step 3: Cross multiply
    339,490.34x = 508,752.72 × 250,040.42
  4. Step 4: Simplify right side
    339,490.34x = 127,208,743,784.94
  5. Step 5: Solve for x
    x = 127,208,743,784.94/339,490.34
  6. Step 6: Final answer
    x = 374,705.05

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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.