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Finding the Fourth Proportional to 463,070.93, 639,067.52 and 259,145.33

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Solution

The fourth proportional to 463,070.93, 639,067.52 and 259,145.33 is: 357,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,070.93 : 639,067.52 = 259,145.33 : x
  2. Step 2: Convert to fraction form
    463,070.93/639,067.52 = 259,145.33/x
  3. Step 3: Cross multiply
    463,070.93x = 639,067.52 × 259,145.33
  4. Step 4: Simplify right side
    463,070.93x = 165,611,360,815.21
  5. Step 5: Solve for x
    x = 165,611,360,815.21/463,070.93
  6. Step 6: Final answer
    x = 357,637.14

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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.