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Finding the Fourth Proportional to 351,046.71, 484,442.99 and 189,901.36

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Solution

The fourth proportional to 351,046.71, 484,442.99 and 189,901.36 is: 262,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,046.71 : 484,442.99 = 189,901.36 : x
  2. Step 2: Convert to fraction form
    351,046.71/484,442.99 = 189,901.36/x
  3. Step 3: Cross multiply
    351,046.71x = 484,442.99 × 189,901.36
  4. Step 4: Simplify right side
    351,046.71x = 91,996,380,696.00
  5. Step 5: Solve for x
    x = 91,996,380,696.00/351,046.71
  6. Step 6: Final answer
    x = 262,063.08

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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.