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Finding the Fourth Proportional to 254,051.25, 349,710.77 and 219,580.26

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Solution

The fourth proportional to 254,051.25, 349,710.77 and 219,580.26 is: 302,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,051.25 : 349,710.77 = 219,580.26 : x
  2. Step 2: Convert to fraction form
    254,051.25/349,710.77 = 219,580.26/x
  3. Step 3: Cross multiply
    254,051.25x = 349,710.77 × 219,580.26
  4. Step 4: Simplify right side
    254,051.25x = 76,789,580,787.36
  5. Step 5: Solve for x
    x = 76,789,580,787.36/254,051.25
  6. Step 6: Final answer
    x = 302,260.19

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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.