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Finding the Fourth Proportional to 648,093.08, 894,119.01 and 405,954.11

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Solution

The fourth proportional to 648,093.08, 894,119.01 and 405,954.11 is: 560,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,093.08 : 894,119.01 = 405,954.11 : x
  2. Step 2: Convert to fraction form
    648,093.08/894,119.01 = 405,954.11/x
  3. Step 3: Cross multiply
    648,093.08x = 894,119.01 × 405,954.11
  4. Step 4: Simplify right side
    648,093.08x = 362,971,287,651.60
  5. Step 5: Solve for x
    x = 362,971,287,651.60/648,093.08
  6. Step 6: Final answer
    x = 560,060.43

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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.