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Finding the Fourth Proportional to 606,258.72, 836,686.86 and 334,379.79

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Solution

The fourth proportional to 606,258.72, 836,686.86 and 334,379.79 is: 461,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,258.72 : 836,686.86 = 334,379.79 : x
  2. Step 2: Convert to fraction form
    606,258.72/836,686.86 = 334,379.79/x
  3. Step 3: Cross multiply
    606,258.72x = 836,686.86 × 334,379.79
  4. Step 4: Simplify right side
    606,258.72x = 279,771,176,542.56
  5. Step 5: Solve for x
    x = 279,771,176,542.56/606,258.72
  6. Step 6: Final answer
    x = 461,471.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.