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Finding the Fourth Proportional to 606,079.50, 909,123.81 and 269,029.55

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Solution

The fourth proportional to 606,079.50, 909,123.81 and 269,029.55 is: 403,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,079.50 : 909,123.81 = 269,029.55 : x
  2. Step 2: Convert to fraction form
    606,079.50/909,123.81 = 269,029.55/x
  3. Step 3: Cross multiply
    606,079.50x = 909,123.81 × 269,029.55
  4. Step 4: Simplify right side
    606,079.50x = 244,581,169,498.59
  5. Step 5: Solve for x
    x = 244,581,169,498.59/606,079.50
  6. Step 6: Final answer
    x = 403,546.35

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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.