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Finding the Fourth Proportional to 476,860.55, 658,067.01 and 262,000.08

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Solution

The fourth proportional to 476,860.55, 658,067.01 and 262,000.08 is: 361,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,860.55 : 658,067.01 = 262,000.08 : x
  2. Step 2: Convert to fraction form
    476,860.55/658,067.01 = 262,000.08/x
  3. Step 3: Cross multiply
    476,860.55x = 658,067.01 × 262,000.08
  4. Step 4: Simplify right side
    476,860.55x = 172,413,609,265.36
  5. Step 5: Solve for x
    x = 172,413,609,265.36/476,860.55
  6. Step 6: Final answer
    x = 361,559.81

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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.