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Finding the Fourth Proportional to 377,950.62, 521,573.28 and 208,184.34

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Solution

The fourth proportional to 377,950.62, 521,573.28 and 208,184.34 is: 287,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,950.62 : 521,573.28 = 208,184.34 : x
  2. Step 2: Convert to fraction form
    377,950.62/521,573.28 = 208,184.34/x
  3. Step 3: Cross multiply
    377,950.62x = 521,573.28 × 208,184.34
  4. Step 4: Simplify right side
    377,950.62x = 108,583,389,058.44
  5. Step 5: Solve for x
    x = 108,583,389,058.44/377,950.62
  6. Step 6: Final answer
    x = 287,295.17

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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.