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Finding the Fourth Proportional to 372,911.82, 559,151.73 and 254,725.98

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Solution

The fourth proportional to 372,911.82, 559,151.73 and 254,725.98 is: 381,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,911.82 : 559,151.73 = 254,725.98 : x
  2. Step 2: Convert to fraction form
    372,911.82/559,151.73 = 254,725.98/x
  3. Step 3: Cross multiply
    372,911.82x = 559,151.73 × 254,725.98
  4. Step 4: Simplify right side
    372,911.82x = 142,430,472,392.95
  5. Step 5: Solve for x
    x = 142,430,472,392.95/372,911.82
  6. Step 6: Final answer
    x = 381,941.43

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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.