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Finding the Fourth Proportional to 563,520.72, 777,738.32 and 348,729.96

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Solution

The fourth proportional to 563,520.72, 777,738.32 and 348,729.96 is: 481,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,520.72 : 777,738.32 = 348,729.96 : x
  2. Step 2: Convert to fraction form
    563,520.72/777,738.32 = 348,729.96/x
  3. Step 3: Cross multiply
    563,520.72x = 777,738.32 × 348,729.96
  4. Step 4: Simplify right side
    563,520.72x = 271,220,653,224.07
  5. Step 5: Solve for x
    x = 271,220,653,224.07/563,520.72
  6. Step 6: Final answer
    x = 481,296.68

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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.