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Finding the Fourth Proportional to 434,751.45, 599,963.12 and 262,645.48

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Solution

The fourth proportional to 434,751.45, 599,963.12 and 262,645.48 is: 362,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,751.45 : 599,963.12 = 262,645.48 : x
  2. Step 2: Convert to fraction form
    434,751.45/599,963.12 = 262,645.48/x
  3. Step 3: Cross multiply
    434,751.45x = 599,963.12 × 262,645.48
  4. Step 4: Simplify right side
    434,751.45x = 157,577,601,634.70
  5. Step 5: Solve for x
    x = 157,577,601,634.70/434,751.45
  6. Step 6: Final answer
    x = 362,454.46

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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.