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Finding the Fourth Proportional to 265,480.21, 366,358.45 and 144,622.95

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Solution

The fourth proportional to 265,480.21, 366,358.45 and 144,622.95 is: 199,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,480.21 : 366,358.45 = 144,622.95 : x
  2. Step 2: Convert to fraction form
    265,480.21/366,358.45 = 144,622.95/x
  3. Step 3: Cross multiply
    265,480.21x = 366,358.45 × 144,622.95
  4. Step 4: Simplify right side
    265,480.21x = 52,983,839,796.43
  5. Step 5: Solve for x
    x = 52,983,839,796.43/265,480.21
  6. Step 6: Final answer
    x = 199,577.36

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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.