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Finding the Fourth Proportional to 463,357.54, 639,398.06 and 259,361.74

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Solution

The fourth proportional to 463,357.54, 639,398.06 and 259,361.74 is: 357,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,357.54 : 639,398.06 = 259,361.74 : x
  2. Step 2: Convert to fraction form
    463,357.54/639,398.06 = 259,361.74/x
  3. Step 3: Cross multiply
    463,357.54x = 639,398.06 × 259,361.74
  4. Step 4: Simplify right side
    463,357.54x = 165,835,393,394.22
  5. Step 5: Solve for x
    x = 165,835,393,394.22/463,357.54
  6. Step 6: Final answer
    x = 357,899.42

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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.