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Finding the Fourth Proportional to 456,267.13, 629,672.54 and 262,704.26

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Solution

The fourth proportional to 456,267.13, 629,672.54 and 262,704.26 is: 362,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,267.13 : 629,672.54 = 262,704.26 : x
  2. Step 2: Convert to fraction form
    456,267.13/629,672.54 = 262,704.26/x
  3. Step 3: Cross multiply
    456,267.13x = 629,672.54 × 262,704.26
  4. Step 4: Simplify right side
    456,267.13x = 165,417,658,923.68
  5. Step 5: Solve for x
    x = 165,417,658,923.68/456,267.13
  6. Step 6: Final answer
    x = 362,545.64

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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.