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Finding the Fourth Proportional to 418,083.84, 626,527.98 and 334,099.44

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Solution

The fourth proportional to 418,083.84, 626,527.98 and 334,099.44 is: 500,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,083.84 : 626,527.98 = 334,099.44 : x
  2. Step 2: Convert to fraction form
    418,083.84/626,527.98 = 334,099.44/x
  3. Step 3: Cross multiply
    418,083.84x = 626,527.98 × 334,099.44
  4. Step 4: Simplify right side
    418,083.84x = 209,322,647,262.33
  5. Step 5: Solve for x
    x = 209,322,647,262.33/418,083.84
  6. Step 6: Final answer
    x = 500,671.46

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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.