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Finding the Fourth Proportional to 351,076.98, 484,485.57 and 189,932.16

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Solution

The fourth proportional to 351,076.98, 484,485.57 and 189,932.16 is: 262,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,076.98 : 484,485.57 = 189,932.16 : x
  2. Step 2: Convert to fraction form
    351,076.98/484,485.57 = 189,932.16/x
  3. Step 3: Cross multiply
    351,076.98x = 484,485.57 × 189,932.16
  4. Step 4: Simplify right side
    351,076.98x = 92,019,390,798.93
  5. Step 5: Solve for x
    x = 92,019,390,798.93/351,076.98
  6. Step 6: Final answer
    x = 262,106.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.