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Finding the Fourth Proportional to 339,105.08, 508,801.30 and 170,536.76

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Solution

The fourth proportional to 339,105.08, 508,801.30 and 170,536.76 is: 255,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,105.08 : 508,801.30 = 170,536.76 : x
  2. Step 2: Convert to fraction form
    339,105.08/508,801.30 = 170,536.76/x
  3. Step 3: Cross multiply
    339,105.08x = 508,801.30 × 170,536.76
  4. Step 4: Simplify right side
    339,105.08x = 86,769,325,185.79
  5. Step 5: Solve for x
    x = 86,769,325,185.79/339,105.08
  6. Step 6: Final answer
    x = 255,877.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.