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Finding the Fourth Proportional to 563,100.84, 777,079.44 and 308,453.04

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Solution

The fourth proportional to 563,100.84, 777,079.44 and 308,453.04 is: 425,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,100.84 : 777,079.44 = 308,453.04 : x
  2. Step 2: Convert to fraction form
    563,100.84/777,079.44 = 308,453.04/x
  3. Step 3: Cross multiply
    563,100.84x = 777,079.44 × 308,453.04
  4. Step 4: Simplify right side
    563,100.84x = 239,692,515,589.50
  5. Step 5: Solve for x
    x = 239,692,515,589.50/563,100.84
  6. Step 6: Final answer
    x = 425,665.35

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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.