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Finding the Fourth Proportional to 606,123.89, 909,190.38 and 269,073.93

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Solution

The fourth proportional to 606,123.89, 909,190.38 and 269,073.93 is: 403,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,123.89 : 909,190.38 = 269,073.93 : x
  2. Step 2: Convert to fraction form
    606,123.89/909,190.38 = 269,073.93/x
  3. Step 3: Cross multiply
    606,123.89x = 909,190.38 × 269,073.93
  4. Step 4: Simplify right side
    606,123.89x = 244,639,428,664.79
  5. Step 5: Solve for x
    x = 244,639,428,664.79/606,123.89
  6. Step 6: Final answer
    x = 403,612.91

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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.