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Finding the Fourth Proportional to 323,033.58, 484,512.21 and 86,394.60

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Solution

The fourth proportional to 323,033.58, 484,512.21 and 86,394.60 is: 129,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,033.58 : 484,512.21 = 86,394.60 : x
  2. Step 2: Convert to fraction form
    323,033.58/484,512.21 = 86,394.60/x
  3. Step 3: Cross multiply
    323,033.58x = 484,512.21 × 86,394.60
  4. Step 4: Simplify right side
    323,033.58x = 41,859,238,578.07
  5. Step 5: Solve for x
    x = 41,859,238,578.07/323,033.58
  6. Step 6: Final answer
    x = 129,581.69

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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.