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Finding the Fourth Proportional to 351,076.40, 484,482.69 and 189,930.95

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Solution

The fourth proportional to 351,076.40, 484,482.69 and 189,930.95 is: 262,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,076.40 : 484,482.69 = 189,930.95 : x
  2. Step 2: Convert to fraction form
    351,076.40/484,482.69 = 189,930.95/x
  3. Step 3: Cross multiply
    351,076.40x = 484,482.69 × 189,930.95
  4. Step 4: Simplify right side
    351,076.40x = 92,018,255,147.84
  5. Step 5: Solve for x
    x = 92,018,255,147.84/351,076.40
  6. Step 6: Final answer
    x = 262,103.22

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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.