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Finding the Fourth Proportional to 304,291, 419,914.02 and 168,330.34

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Solution

The fourth proportional to 304,291, 419,914.02 and 168,330.34 is: 232,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,291 : 419,914.02 = 168,330.34 : x
  2. Step 2: Convert to fraction form
    304,291/419,914.02 = 168,330.34/x
  3. Step 3: Cross multiply
    304,291x = 419,914.02 × 168,330.34
  4. Step 4: Simplify right side
    304,291x = 70,684,269,757.37
  5. Step 5: Solve for x
    x = 70,684,269,757.37/304,291
  6. Step 6: Final answer
    x = 232,291.69

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1.5x scale

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.