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Finding the Fourth Proportional to 603,167.49, 903,372.78 and 287,845.83

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Solution

The fourth proportional to 603,167.49, 903,372.78 and 287,845.83 is: 431,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,167.49 : 903,372.78 = 287,845.83 : x
  2. Step 2: Convert to fraction form
    603,167.49/903,372.78 = 287,845.83/x
  3. Step 3: Cross multiply
    603,167.49x = 903,372.78 × 287,845.83
  4. Step 4: Simplify right side
    603,167.49x = 260,032,087,658.51
  5. Step 5: Solve for x
    x = 260,032,087,658.51/603,167.49
  6. Step 6: Final answer
    x = 431,110.91

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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.