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Finding the Fourth Proportional to 441,803.22, 662,686.32 and 142,277.17

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Solution

The fourth proportional to 441,803.22, 662,686.32 and 142,277.17 is: 213,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,803.22 : 662,686.32 = 142,277.17 : x
  2. Step 2: Convert to fraction form
    441,803.22/662,686.32 = 142,277.17/x
  3. Step 3: Cross multiply
    441,803.22x = 662,686.32 × 142,277.17
  4. Step 4: Simplify right side
    441,803.22x = 94,285,132,550.60
  5. Step 5: Solve for x
    x = 94,285,132,550.60/441,803.22
  6. Step 6: Final answer
    x = 213,409.79

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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.