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Finding the Fourth Proportional to 304,040.39, 456,071.45 and 104,359.41

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Solution

The fourth proportional to 304,040.39, 456,071.45 and 104,359.41 is: 156,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,040.39 : 456,071.45 = 104,359.41 : x
  2. Step 2: Convert to fraction form
    304,040.39/456,071.45 = 104,359.41/x
  3. Step 3: Cross multiply
    304,040.39x = 456,071.45 × 104,359.41
  4. Step 4: Simplify right side
    304,040.39x = 47,595,346,918.05
  5. Step 5: Solve for x
    x = 47,595,346,918.05/304,040.39
  6. Step 6: Final answer
    x = 156,542.85

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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.