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Finding the Fourth Proportional to 455,521.24, 628,696.29 and 264,645.37

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Solution

The fourth proportional to 455,521.24, 628,696.29 and 264,645.37 is: 365,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,521.24 : 628,696.29 = 264,645.37 : x
  2. Step 2: Convert to fraction form
    455,521.24/628,696.29 = 264,645.37/x
  3. Step 3: Cross multiply
    455,521.24x = 628,696.29 × 264,645.37
  4. Step 4: Simplify right side
    455,521.24x = 166,381,562,284.68
  5. Step 5: Solve for x
    x = 166,381,562,284.68/455,521.24
  6. Step 6: Final answer
    x = 365,255.33

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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.