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Finding the Fourth Proportional to 500,637.68, 751,186.14 and 273,003.80

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Solution

The fourth proportional to 500,637.68, 751,186.14 and 273,003.80 is: 409,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,637.68 : 751,186.14 = 273,003.80 : x
  2. Step 2: Convert to fraction form
    500,637.68/751,186.14 = 273,003.80/x
  3. Step 3: Cross multiply
    500,637.68x = 751,186.14 × 273,003.80
  4. Step 4: Simplify right side
    500,637.68x = 205,076,670,727.33
  5. Step 5: Solve for x
    x = 205,076,670,727.33/500,637.68
  6. Step 6: Final answer
    x = 409,630.91

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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.