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Finding the Fourth Proportional to 468,620.04, 646,698.73 and 253,760.12

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Solution

The fourth proportional to 468,620.04, 646,698.73 and 253,760.12 is: 350,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,620.04 : 646,698.73 = 253,760.12 : x
  2. Step 2: Convert to fraction form
    468,620.04/646,698.73 = 253,760.12/x
  3. Step 3: Cross multiply
    468,620.04x = 646,698.73 × 253,760.12
  4. Step 4: Simplify right side
    468,620.04x = 164,106,347,328.65
  5. Step 5: Solve for x
    x = 164,106,347,328.65/468,620.04
  6. Step 6: Final answer
    x = 350,190.63

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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.