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Finding the Fourth Proportional to 344,637.80, 516,483.77 and 218,051.44

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Solution

The fourth proportional to 344,637.80, 516,483.77 and 218,051.44 is: 326,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,637.80 : 516,483.77 = 218,051.44 : x
  2. Step 2: Convert to fraction form
    344,637.80/516,483.77 = 218,051.44/x
  3. Step 3: Cross multiply
    344,637.80x = 516,483.77 × 218,051.44
  4. Step 4: Simplify right side
    344,637.80x = 112,620,029,039.05
  5. Step 5: Solve for x
    x = 112,620,029,039.05/344,637.80
  6. Step 6: Final answer
    x = 326,777.93

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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.