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Finding the Fourth Proportional to 273,966.76, 377,969.94 and 202,518.28

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Solution

The fourth proportional to 273,966.76, 377,969.94 and 202,518.28 is: 279,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,966.76 : 377,969.94 = 202,518.28 : x
  2. Step 2: Convert to fraction form
    273,966.76/377,969.94 = 202,518.28/x
  3. Step 3: Cross multiply
    273,966.76x = 377,969.94 × 202,518.28
  4. Step 4: Simplify right side
    273,966.76x = 76,545,822,140.50
  5. Step 5: Solve for x
    x = 76,545,822,140.50/273,966.76
  6. Step 6: Final answer
    x = 279,398.21

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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.