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Finding the Fourth Proportional to 304,167.40, 419,735.46 and 170,031.40

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Solution

The fourth proportional to 304,167.40, 419,735.46 and 170,031.40 is: 234,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,167.40 : 419,735.46 = 170,031.40 : x
  2. Step 2: Convert to fraction form
    304,167.40/419,735.46 = 170,031.40/x
  3. Step 3: Cross multiply
    304,167.40x = 419,735.46 × 170,031.40
  4. Step 4: Simplify right side
    304,167.40x = 71,368,207,893.44
  5. Step 5: Solve for x
    x = 71,368,207,893.44/304,167.40
  6. Step 6: Final answer
    x = 234,634.64

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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.