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Finding the Fourth Proportional to 377,950.30, 521,571.44 and 208,184.42

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Solution

The fourth proportional to 377,950.30, 521,571.44 and 208,184.42 is: 287,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,950.30 : 521,571.44 = 208,184.42 : x
  2. Step 2: Convert to fraction form
    377,950.30/521,571.44 = 208,184.42/x
  3. Step 3: Cross multiply
    377,950.30x = 521,571.44 × 208,184.42
  4. Step 4: Simplify right side
    377,950.30x = 108,583,049,549.35
  5. Step 5: Solve for x
    x = 108,583,049,549.35/377,950.30
  6. Step 6: Final answer
    x = 287,294.52

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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.