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Finding the Fourth Proportional to 441,969.40, 662,954.10 and 253,012.60

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Solution

The fourth proportional to 441,969.40, 662,954.10 and 253,012.60 is: 379,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,969.40 : 662,954.10 = 253,012.60 : x
  2. Step 2: Convert to fraction form
    441,969.40/662,954.10 = 253,012.60/x
  3. Step 3: Cross multiply
    441,969.40x = 662,954.10 × 253,012.60
  4. Step 4: Simplify right side
    441,969.40x = 167,735,740,521.66
  5. Step 5: Solve for x
    x = 167,735,740,521.66/441,969.40
  6. Step 6: Final answer
    x = 379,518.90

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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.