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Finding the Fourth Proportional to 344,840.69, 516,925.54 and 164,879.35

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Solution

The fourth proportional to 344,840.69, 516,925.54 and 164,879.35 is: 247,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,840.69 : 516,925.54 = 164,879.35 : x
  2. Step 2: Convert to fraction form
    344,840.69/516,925.54 = 164,879.35/x
  3. Step 3: Cross multiply
    344,840.69x = 516,925.54 × 164,879.35
  4. Step 4: Simplify right side
    344,840.69x = 85,230,347,033.60
  5. Step 5: Solve for x
    x = 85,230,347,033.60/344,840.69
  6. Step 6: Final answer
    x = 247,158.61

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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.