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Finding the Fourth Proportional to 504,073.48, 695,621.46 and 277,717

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Solution

The fourth proportional to 504,073.48, 695,621.46 and 277,717 is: 383,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,073.48 : 695,621.46 = 277,717 : x
  2. Step 2: Convert to fraction form
    504,073.48/695,621.46 = 277,717/x
  3. Step 3: Cross multiply
    504,073.48x = 695,621.46 × 277,717
  4. Step 4: Simplify right side
    504,073.48x = 193,185,905,006.82
  5. Step 5: Solve for x
    x = 193,185,905,006.82/504,073.48
  6. Step 6: Final answer
    x = 383,249.49

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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.