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Finding the Fourth Proportional to 694,402, 958,280.52 and 376,450

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Solution

The fourth proportional to 694,402, 958,280.52 and 376,450 is: 519,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,402 : 958,280.52 = 376,450 : x
  2. Step 2: Convert to fraction form
    694,402/958,280.52 = 376,450/x
  3. Step 3: Cross multiply
    694,402x = 958,280.52 × 376,450
  4. Step 4: Simplify right side
    694,402x = 360,744,701,754
  5. Step 5: Solve for x
    x = 360,744,701,754/694,402
  6. Step 6: Final answer
    x = 519,504.12

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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.