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Finding the Fourth Proportional to 426,048.82, 638,913.75 and 182,859.19

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Solution

The fourth proportional to 426,048.82, 638,913.75 and 182,859.19 is: 274,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,048.82 : 638,913.75 = 182,859.19 : x
  2. Step 2: Convert to fraction form
    426,048.82/638,913.75 = 182,859.19/x
  3. Step 3: Cross multiply
    426,048.82x = 638,913.75 × 182,859.19
  4. Step 4: Simplify right side
    426,048.82x = 116,831,253,087.87
  5. Step 5: Solve for x
    x = 116,831,253,087.87/426,048.82
  6. Step 6: Final answer
    x = 274,220.34

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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.