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Finding the Fourth Proportional to 306,797.04, 423,399.15 and 168,975.94

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Solution

The fourth proportional to 306,797.04, 423,399.15 and 168,975.94 is: 233,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,797.04 : 423,399.15 = 168,975.94 : x
  2. Step 2: Convert to fraction form
    306,797.04/423,399.15 = 168,975.94/x
  3. Step 3: Cross multiply
    306,797.04x = 423,399.15 × 168,975.94
  4. Step 4: Simplify right side
    306,797.04x = 71,544,269,366.45
  5. Step 5: Solve for x
    x = 71,544,269,366.45/306,797.04
  6. Step 6: Final answer
    x = 233,197.39

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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.