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Finding the Fourth Proportional to 603,166.98, 903,372.04 and 287,845.32

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Solution

The fourth proportional to 603,166.98, 903,372.04 and 287,845.32 is: 431,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,166.98 : 903,372.04 = 287,845.32 : x
  2. Step 2: Convert to fraction form
    603,166.98/903,372.04 = 287,845.32/x
  3. Step 3: Cross multiply
    603,166.98x = 903,372.04 × 287,845.32
  4. Step 4: Simplify right side
    603,166.98x = 260,031,413,932.85
  5. Step 5: Solve for x
    x = 260,031,413,932.85/603,166.98
  6. Step 6: Final answer
    x = 431,110.16

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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.