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Finding the Fourth Proportional to 544,424.76, 816,635.34 and 139,616.58

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Solution

The fourth proportional to 544,424.76, 816,635.34 and 139,616.58 is: 209,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,424.76 : 816,635.34 = 139,616.58 : x
  2. Step 2: Convert to fraction form
    544,424.76/816,635.34 = 139,616.58/x
  3. Step 3: Cross multiply
    544,424.76x = 816,635.34 × 139,616.58
  4. Step 4: Simplify right side
    544,424.76x = 114,015,833,277.94
  5. Step 5: Solve for x
    x = 114,015,833,277.94/544,424.76
  6. Step 6: Final answer
    x = 209,424.41

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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.