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Finding the Fourth Proportional to 603,383.04, 905,073.84 and 154,104.30

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Solution

The fourth proportional to 603,383.04, 905,073.84 and 154,104.30 is: 231,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,383.04 : 905,073.84 = 154,104.30 : x
  2. Step 2: Convert to fraction form
    603,383.04/905,073.84 = 154,104.30/x
  3. Step 3: Cross multiply
    603,383.04x = 905,073.84 × 154,104.30
  4. Step 4: Simplify right side
    603,383.04x = 139,475,770,561.51
  5. Step 5: Solve for x
    x = 139,475,770,561.51/603,383.04
  6. Step 6: Final answer
    x = 231,156.27

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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.