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Finding the Fourth Proportional to 339,536.40, 508,932.60 and 170,787.60

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Solution

The fourth proportional to 339,536.40, 508,932.60 and 170,787.60 is: 255,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,536.40 : 508,932.60 = 170,787.60 : x
  2. Step 2: Convert to fraction form
    339,536.40/508,932.60 = 170,787.60/x
  3. Step 3: Cross multiply
    339,536.40x = 508,932.60 × 170,787.60
  4. Step 4: Simplify right side
    339,536.40x = 86,919,377,315.76
  5. Step 5: Solve for x
    x = 86,919,377,315.76/339,536.40
  6. Step 6: Final answer
    x = 255,994.28

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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.