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Finding the Fourth Proportional to 304,378.20, 456,629.54 and 104,672.64

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Solution

The fourth proportional to 304,378.20, 456,629.54 and 104,672.64 is: 157,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,378.20 : 456,629.54 = 104,672.64 : x
  2. Step 2: Convert to fraction form
    304,378.20/456,629.54 = 104,672.64/x
  3. Step 3: Cross multiply
    304,378.20x = 456,629.54 × 104,672.64
  4. Step 4: Simplify right side
    304,378.20x = 47,796,619,453.79
  5. Step 5: Solve for x
    x = 47,796,619,453.79/304,378.20
  6. Step 6: Final answer
    x = 157,030.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.