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Finding the Fourth Proportional to 254,813.70, 382,220.55 and 239,067.30

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Solution

The fourth proportional to 254,813.70, 382,220.55 and 239,067.30 is: 358,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,813.70 : 382,220.55 = 239,067.30 : x
  2. Step 2: Convert to fraction form
    254,813.70/382,220.55 = 239,067.30/x
  3. Step 3: Cross multiply
    254,813.70x = 382,220.55 × 239,067.30
  4. Step 4: Simplify right side
    254,813.70x = 91,376,434,893.02
  5. Step 5: Solve for x
    x = 91,376,434,893.02/254,813.70
  6. Step 6: Final answer
    x = 358,600.95

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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.