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Finding the Fourth Proportional to 259,868.63, 389,802.95 and 62,876.63

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Solution

The fourth proportional to 259,868.63, 389,802.95 and 62,876.63 is: 94,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,868.63 : 389,802.95 = 62,876.63 : x
  2. Step 2: Convert to fraction form
    259,868.63/389,802.95 = 62,876.63/x
  3. Step 3: Cross multiply
    259,868.63x = 389,802.95 × 62,876.63
  4. Step 4: Simplify right side
    259,868.63x = 24,509,493,596.66
  5. Step 5: Solve for x
    x = 24,509,493,596.66/259,868.63
  6. Step 6: Final answer
    x = 94,314.94

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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.