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Finding the Fourth Proportional to 494,744.01, 682,748.04 and 268,389.51

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Solution

The fourth proportional to 494,744.01, 682,748.04 and 268,389.51 is: 370,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,744.01 : 682,748.04 = 268,389.51 : x
  2. Step 2: Convert to fraction form
    494,744.01/682,748.04 = 268,389.51/x
  3. Step 3: Cross multiply
    494,744.01x = 682,748.04 × 268,389.51
  4. Step 4: Simplify right side
    494,744.01x = 183,242,411,909.06
  5. Step 5: Solve for x
    x = 183,242,411,909.06/494,744.01
  6. Step 6: Final answer
    x = 370,378.23

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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.