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Finding the Fourth Proportional to 344,214.66, 515,574.32 and 166,348.69

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Solution

The fourth proportional to 344,214.66, 515,574.32 and 166,348.69 is: 249,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,214.66 : 515,574.32 = 166,348.69 : x
  2. Step 2: Convert to fraction form
    344,214.66/515,574.32 = 166,348.69/x
  3. Step 3: Cross multiply
    344,214.66x = 515,574.32 × 166,348.69
  4. Step 4: Simplify right side
    344,214.66x = 85,765,110,608.96
  5. Step 5: Solve for x
    x = 85,765,110,608.96/344,214.66
  6. Step 6: Final answer
    x = 249,161.70

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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.