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Finding the Fourth Proportional to 563,061.44, 777,102.11 and 345,231.60

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Solution

The fourth proportional to 563,061.44, 777,102.11 and 345,231.60 is: 476,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,061.44 : 777,102.11 = 345,231.60 : x
  2. Step 2: Convert to fraction form
    563,061.44/777,102.11 = 345,231.60/x
  3. Step 3: Cross multiply
    563,061.44x = 777,102.11 × 345,231.60
  4. Step 4: Simplify right side
    563,061.44x = 268,280,204,798.68
  5. Step 5: Solve for x
    x = 268,280,204,798.68/563,061.44
  6. Step 6: Final answer
    x = 476,467.02

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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.