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Finding the Fourth Proportional to 603,167.48, 903,372.80 and 287,845.82

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Solution

The fourth proportional to 603,167.48, 903,372.80 and 287,845.82 is: 431,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,167.48 : 903,372.80 = 287,845.82 : x
  2. Step 2: Convert to fraction form
    603,167.48/903,372.80 = 287,845.82/x
  3. Step 3: Cross multiply
    603,167.48x = 903,372.80 × 287,845.82
  4. Step 4: Simplify right side
    603,167.48x = 260,032,078,425.60
  5. Step 5: Solve for x
    x = 260,032,078,425.60/603,167.48
  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.