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Finding the Fourth Proportional to 603,718.60, 905,577.90 and 182,939.80

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Solution

The fourth proportional to 603,718.60, 905,577.90 and 182,939.80 is: 274,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,718.60 : 905,577.90 = 182,939.80 : x
  2. Step 2: Convert to fraction form
    603,718.60/905,577.90 = 182,939.80/x
  3. Step 3: Cross multiply
    603,718.60x = 905,577.90 × 182,939.80
  4. Step 4: Simplify right side
    603,718.60x = 165,666,239,910.42
  5. Step 5: Solve for x
    x = 165,666,239,910.42/603,718.60
  6. Step 6: Final answer
    x = 274,409.70

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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.