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Finding the Fourth Proportional to 533,814.72, 799,892.64 and 336,408

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Solution

The fourth proportional to 533,814.72, 799,892.64 and 336,408 is: 504,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,814.72 : 799,892.64 = 336,408 : x
  2. Step 2: Convert to fraction form
    533,814.72/799,892.64 = 336,408/x
  3. Step 3: Cross multiply
    533,814.72x = 799,892.64 × 336,408
  4. Step 4: Simplify right side
    533,814.72x = 269,090,283,237.12
  5. Step 5: Solve for x
    x = 269,090,283,237.12/533,814.72
  6. Step 6: Final answer
    x = 504,089.29

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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.