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Finding the Fourth Proportional to 773,104.40, 1,159,861.40 and 274,416.40

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Solution

The fourth proportional to 773,104.40, 1,159,861.40 and 274,416.40 is: 411,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,104.40 : 1,159,861.40 = 274,416.40 : x
  2. Step 2: Convert to fraction form
    773,104.40/1,159,861.40 = 274,416.40/x
  3. Step 3: Cross multiply
    773,104.40x = 1,159,861.40 × 274,416.40
  4. Step 4: Simplify right side
    773,104.40x = 318,284,989,886.96
  5. Step 5: Solve for x
    x = 318,284,989,886.96/773,104.40
  6. Step 6: Final answer
    x = 411,697.29

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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.