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Finding the Fourth Proportional to 453,635.40, 625,976.19 and 262,661.70

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Solution

The fourth proportional to 453,635.40, 625,976.19 and 262,661.70 is: 362,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,635.40 : 625,976.19 = 262,661.70 : x
  2. Step 2: Convert to fraction form
    453,635.40/625,976.19 = 262,661.70/x
  3. Step 3: Cross multiply
    453,635.40x = 625,976.19 × 262,661.70
  4. Step 4: Simplify right side
    453,635.40x = 164,419,970,224.92
  5. Step 5: Solve for x
    x = 164,419,970,224.92/453,635.40
  6. Step 6: Final answer
    x = 362,449.60

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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.