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Finding the Fourth Proportional to 490,938.44, 734,832.48 and 262,663.00

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Solution

The fourth proportional to 490,938.44, 734,832.48 and 262,663.00 is: 393,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,938.44 : 734,832.48 = 262,663.00 : x
  2. Step 2: Convert to fraction form
    490,938.44/734,832.48 = 262,663.00/x
  3. Step 3: Cross multiply
    490,938.44x = 734,832.48 × 262,663.00
  4. Step 4: Simplify right side
    490,938.44x = 193,013,302,842.15
  5. Step 5: Solve for x
    x = 193,013,302,842.15/490,938.44
  6. Step 6: Final answer
    x = 393,151.74

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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.