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Finding the Fourth Proportional to 376,137.75, 564,297.78 and 216,315.98

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Solution

The fourth proportional to 376,137.75, 564,297.78 and 216,315.98 is: 324,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,137.75 : 564,297.78 = 216,315.98 : x
  2. Step 2: Convert to fraction form
    376,137.75/564,297.78 = 216,315.98/x
  3. Step 3: Cross multiply
    376,137.75x = 564,297.78 × 216,315.98
  4. Step 4: Simplify right side
    376,137.75x = 122,066,625,282.22
  5. Step 5: Solve for x
    x = 122,066,625,282.22/376,137.75
  6. Step 6: Final answer
    x = 324,526.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.