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Finding the Fourth Proportional to 983,635, 1,473,165.84 and 949,540.36

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Solution

The fourth proportional to 983,635, 1,473,165.84 and 949,540.36 is: 1,422,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,635 : 1,473,165.84 = 949,540.36 : x
  2. Step 2: Convert to fraction form
    983,635/1,473,165.84 = 949,540.36/x
  3. Step 3: Cross multiply
    983,635x = 1,473,165.84 × 949,540.36
  4. Step 4: Simplify right side
    983,635x = 1,398,830,422,053.30
  5. Step 5: Solve for x
    x = 1,398,830,422,053.30/983,635
  6. Step 6: Final answer
    x = 1,422,103.14

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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.