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Finding the Fourth Proportional to 283,418.94, 391,089.18 and 174,505.98

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Solution

The fourth proportional to 283,418.94, 391,089.18 and 174,505.98 is: 240,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,418.94 : 391,089.18 = 174,505.98 : x
  2. Step 2: Convert to fraction form
    283,418.94/391,089.18 = 174,505.98/x
  3. Step 3: Cross multiply
    283,418.94x = 391,089.18 × 174,505.98
  4. Step 4: Simplify right side
    283,418.94x = 68,247,400,623.30
  5. Step 5: Solve for x
    x = 68,247,400,623.30/283,418.94
  6. Step 6: Final answer
    x = 240,800.42

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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.