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Finding the Fourth Proportional to 371,095.12, 512,101.12 and 205,517.36

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Solution

The fourth proportional to 371,095.12, 512,101.12 and 205,517.36 is: 283,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,095.12 : 512,101.12 = 205,517.36 : x
  2. Step 2: Convert to fraction form
    371,095.12/512,101.12 = 205,517.36/x
  3. Step 3: Cross multiply
    371,095.12x = 512,101.12 × 205,517.36
  4. Step 4: Simplify right side
    371,095.12x = 105,245,670,235.44
  5. Step 5: Solve for x
    x = 105,245,670,235.44/371,095.12
  6. Step 6: Final answer
    x = 283,608.34

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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.