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Finding the Fourth Proportional to 279,266.22, 418,927.95 and 174,056.94

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Solution

The fourth proportional to 279,266.22, 418,927.95 and 174,056.94 is: 261,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,266.22 : 418,927.95 = 174,056.94 : x
  2. Step 2: Convert to fraction form
    279,266.22/418,927.95 = 174,056.94/x
  3. Step 3: Cross multiply
    279,266.22x = 418,927.95 × 174,056.94
  4. Step 4: Simplify right side
    279,266.22x = 72,917,317,057.47
  5. Step 5: Solve for x
    x = 72,917,317,057.47/279,266.22
  6. Step 6: Final answer
    x = 261,103.25

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Why These Related Problems?

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