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Finding the Fourth Proportional to 273,398.49, 377,810.73 and 197,167.77

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Solution

The fourth proportional to 273,398.49, 377,810.73 and 197,167.77 is: 272,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,398.49 : 377,810.73 = 197,167.77 : x
  2. Step 2: Convert to fraction form
    273,398.49/377,810.73 = 197,167.77/x
  3. Step 3: Cross multiply
    273,398.49x = 377,810.73 × 197,167.77
  4. Step 4: Simplify right side
    273,398.49x = 74,492,099,116.17
  5. Step 5: Solve for x
    x = 74,492,099,116.17/273,398.49
  6. Step 6: Final answer
    x = 272,467.12

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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.