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Finding the Fourth Proportional to 273,629.80, 410,444.70 and 245,636.20

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Solution

The fourth proportional to 273,629.80, 410,444.70 and 245,636.20 is: 368,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,629.80 : 410,444.70 = 245,636.20 : x
  2. Step 2: Convert to fraction form
    273,629.80/410,444.70 = 245,636.20/x
  3. Step 3: Cross multiply
    273,629.80x = 410,444.70 × 245,636.20
  4. Step 4: Simplify right side
    273,629.80x = 100,820,076,418.14
  5. Step 5: Solve for x
    x = 100,820,076,418.14/273,629.80
  6. Step 6: Final answer
    x = 368,454.30

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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.