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Finding the Fourth Proportional to 351,075.77, 484,481.83 and 189,930.32

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Solution

The fourth proportional to 351,075.77, 484,481.83 and 189,930.32 is: 262,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,075.77 : 484,481.83 = 189,930.32 : x
  2. Step 2: Convert to fraction form
    351,075.77/484,481.83 = 189,930.32/x
  3. Step 3: Cross multiply
    351,075.77x = 484,481.83 × 189,930.32
  4. Step 4: Simplify right side
    351,075.77x = 92,017,788,056.43
  5. Step 5: Solve for x
    x = 92,017,788,056.43/351,075.77
  6. Step 6: Final answer
    x = 262,102.36

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1.5x scale

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.