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Finding the Fourth Proportional to 254,071.74, 349,739.01 and 219,600.77

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Solution

The fourth proportional to 254,071.74, 349,739.01 and 219,600.77 is: 302,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,071.74 : 349,739.01 = 219,600.77 : x
  2. Step 2: Convert to fraction form
    254,071.74/349,739.01 = 219,600.77/x
  3. Step 3: Cross multiply
    254,071.74x = 349,739.01 × 219,600.77
  4. Step 4: Simplify right side
    254,071.74x = 76,802,956,769.39
  5. Step 5: Solve for x
    x = 76,802,956,769.39/254,071.74
  6. Step 6: Final answer
    x = 302,288.47

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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.