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Finding the Fourth Proportional to 585,297.58, 877,268.66 and 269,090.86

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Solution

The fourth proportional to 585,297.58, 877,268.66 and 269,090.86 is: 403,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,297.58 : 877,268.66 = 269,090.86 : x
  2. Step 2: Convert to fraction form
    585,297.58/877,268.66 = 269,090.86/x
  3. Step 3: Cross multiply
    585,297.58x = 877,268.66 × 269,090.86
  4. Step 4: Simplify right side
    585,297.58x = 236,064,978,170.45
  5. Step 5: Solve for x
    x = 236,064,978,170.45/585,297.58
  6. Step 6: Final answer
    x = 403,324.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.