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Finding the Fourth Proportional to 366,357.66, 505,633.38 and 251,541

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Solution

The fourth proportional to 366,357.66, 505,633.38 and 251,541 is: 347,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,357.66 : 505,633.38 = 251,541 : x
  2. Step 2: Convert to fraction form
    366,357.66/505,633.38 = 251,541/x
  3. Step 3: Cross multiply
    366,357.66x = 505,633.38 × 251,541
  4. Step 4: Simplify right side
    366,357.66x = 127,187,526,038.58
  5. Step 5: Solve for x
    x = 127,187,526,038.58/366,357.66
  6. Step 6: Final answer
    x = 347,167.64

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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.