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Finding the Fourth Proportional to 304,258.68, 419,880.11 and 168,292.89

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Solution

The fourth proportional to 304,258.68, 419,880.11 and 168,292.89 is: 232,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,258.68 : 419,880.11 = 168,292.89 : x
  2. Step 2: Convert to fraction form
    304,258.68/419,880.11 = 168,292.89/x
  3. Step 3: Cross multiply
    304,258.68x = 419,880.11 × 168,292.89
  4. Step 4: Simplify right side
    304,258.68x = 70,662,836,323.95
  5. Step 5: Solve for x
    x = 70,662,836,323.95/304,258.68
  6. Step 6: Final answer
    x = 232,245.92

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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.