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Finding the Fourth Proportional to 455,924, 629,158.08 and 262,361.60

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Solution

The fourth proportional to 455,924, 629,158.08 and 262,361.60 is: 362,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,924 : 629,158.08 = 262,361.60 : x
  2. Step 2: Convert to fraction form
    455,924/629,158.08 = 262,361.60/x
  3. Step 3: Cross multiply
    455,924x = 629,158.08 × 262,361.60
  4. Step 4: Simplify right side
    455,924x = 165,066,920,521.73
  5. Step 5: Solve for x
    x = 165,066,920,521.73/455,924
  6. Step 6: Final answer
    x = 362,049.20

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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.