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Finding the Fourth Proportional to 344,841.18, 516,926.30 and 164,879.84

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Solution

The fourth proportional to 344,841.18, 516,926.30 and 164,879.84 is: 247,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,841.18 : 516,926.30 = 164,879.84 : x
  2. Step 2: Convert to fraction form
    344,841.18/516,926.30 = 164,879.84/x
  3. Step 3: Cross multiply
    344,841.18x = 516,926.30 × 164,879.84
  4. Step 4: Simplify right side
    344,841.18x = 85,230,725,635.79
  5. Step 5: Solve for x
    x = 85,230,725,635.79/344,841.18
  6. Step 6: Final answer
    x = 247,159.36

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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.