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Finding the Fourth Proportional to 606,586.38, 909,846.75 and 185,863.47

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Solution

The fourth proportional to 606,586.38, 909,846.75 and 185,863.47 is: 278,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,586.38 : 909,846.75 = 185,863.47 : x
  2. Step 2: Convert to fraction form
    606,586.38/909,846.75 = 185,863.47/x
  3. Step 3: Cross multiply
    606,586.38x = 909,846.75 × 185,863.47
  4. Step 4: Simplify right side
    606,586.38x = 169,107,274,123.22
  5. Step 5: Solve for x
    x = 169,107,274,123.22/606,586.38
  6. Step 6: Final answer
    x = 278,785.15

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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.