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Finding the Fourth Proportional to 603,857.16, 905,788.17 and 183,136.68

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Solution

The fourth proportional to 603,857.16, 905,788.17 and 183,136.68 is: 274,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,857.16 : 905,788.17 = 183,136.68 : x
  2. Step 2: Convert to fraction form
    603,857.16/905,788.17 = 183,136.68/x
  3. Step 3: Cross multiply
    603,857.16x = 905,788.17 × 183,136.68
  4. Step 4: Simplify right side
    603,857.16x = 165,883,038,237.08
  5. Step 5: Solve for x
    x = 165,883,038,237.08/603,857.16
  6. Step 6: Final answer
    x = 274,705.76

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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.