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Finding the Fourth Proportional to 756,993.60, 1,044,637.76 and 412,832.09

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Solution

The fourth proportional to 756,993.60, 1,044,637.76 and 412,832.09 is: 569,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,993.60 : 1,044,637.76 = 412,832.09 : x
  2. Step 2: Convert to fraction form
    756,993.60/1,044,637.76 = 412,832.09/x
  3. Step 3: Cross multiply
    756,993.60x = 1,044,637.76 × 412,832.09
  4. Step 4: Simplify right side
    756,993.60x = 431,259,993,397.39
  5. Step 5: Solve for x
    x = 431,259,993,397.39/756,993.60
  6. Step 6: Final answer
    x = 569,700.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.