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Finding the Fourth Proportional to 351,009.59, 484,393.57 and 189,864.14

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Solution

The fourth proportional to 351,009.59, 484,393.57 and 189,864.14 is: 262,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,009.59 : 484,393.57 = 189,864.14 : x
  2. Step 2: Convert to fraction form
    351,009.59/484,393.57 = 189,864.14/x
  3. Step 3: Cross multiply
    351,009.59x = 484,393.57 × 189,864.14
  4. Step 4: Simplify right side
    351,009.59x = 91,968,965,692.95
  5. Step 5: Solve for x
    x = 91,968,965,692.95/351,009.59
  6. Step 6: Final answer
    x = 262,012.69

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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.