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Finding the Fourth Proportional to 409,372.50, 613,379.89 and 248,963.24

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Solution

The fourth proportional to 409,372.50, 613,379.89 and 248,963.24 is: 373,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,372.50 : 613,379.89 = 248,963.24 : x
  2. Step 2: Convert to fraction form
    409,372.50/613,379.89 = 248,963.24/x
  3. Step 3: Cross multiply
    409,372.50x = 613,379.89 × 248,963.24
  4. Step 4: Simplify right side
    409,372.50x = 152,709,044,765.24
  5. Step 5: Solve for x
    x = 152,709,044,765.24/409,372.50
  6. Step 6: Final answer
    x = 373,032.01

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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.