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Finding the Fourth Proportional to 606,301.20, 909,451.76 and 269,262.56

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Solution

The fourth proportional to 606,301.20, 909,451.76 and 269,262.56 is: 403,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,301.20 : 909,451.76 = 269,262.56 : x
  2. Step 2: Convert to fraction form
    606,301.20/909,451.76 = 269,262.56/x
  3. Step 3: Cross multiply
    606,301.20x = 909,451.76 × 269,262.56
  4. Step 4: Simplify right side
    606,301.20x = 244,881,309,094.11
  5. Step 5: Solve for x
    x = 244,881,309,094.11/606,301.20
  6. Step 6: Final answer
    x = 403,893.82

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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.