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Finding the Fourth Proportional to 548,625.79, 822,768.51 and 193,556.77

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Solution

The fourth proportional to 548,625.79, 822,768.51 and 193,556.77 is: 290,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,625.79 : 822,768.51 = 193,556.77 : x
  2. Step 2: Convert to fraction form
    548,625.79/822,768.51 = 193,556.77/x
  3. Step 3: Cross multiply
    548,625.79x = 822,768.51 × 193,556.77
  4. Step 4: Simplify right side
    548,625.79x = 159,252,415,253.31
  5. Step 5: Solve for x
    x = 159,252,415,253.31/548,625.79
  6. Step 6: Final answer
    x = 290,275.12

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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.