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Finding the Fourth Proportional to 342,686.94, 514,203.21 and 193,093.98

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Solution

The fourth proportional to 342,686.94, 514,203.21 and 193,093.98 is: 289,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,686.94 : 514,203.21 = 193,093.98 : x
  2. Step 2: Convert to fraction form
    342,686.94/514,203.21 = 193,093.98/x
  3. Step 3: Cross multiply
    342,686.94x = 514,203.21 × 193,093.98
  4. Step 4: Simplify right side
    342,686.94x = 99,289,544,347.68
  5. Step 5: Solve for x
    x = 99,289,544,347.68/342,686.94
  6. Step 6: Final answer
    x = 289,738.34

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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.