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Finding the Fourth Proportional to 440,749.16, 660,735.99 and 174,696.42

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Solution

The fourth proportional to 440,749.16, 660,735.99 and 174,696.42 is: 261,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,749.16 : 660,735.99 = 174,696.42 : x
  2. Step 2: Convert to fraction form
    440,749.16/660,735.99 = 174,696.42/x
  3. Step 3: Cross multiply
    440,749.16x = 660,735.99 × 174,696.42
  4. Step 4: Simplify right side
    440,749.16x = 115,428,212,018.16
  5. Step 5: Solve for x
    x = 115,428,212,018.16/440,749.16
  6. Step 6: Final answer
    x = 261,890.94

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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.