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Finding the Fourth Proportional to 594,860.54, 820,603.44 and 379,774.56

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Solution

The fourth proportional to 594,860.54, 820,603.44 and 379,774.56 is: 523,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,860.54 : 820,603.44 = 379,774.56 : x
  2. Step 2: Convert to fraction form
    594,860.54/820,603.44 = 379,774.56/x
  3. Step 3: Cross multiply
    594,860.54x = 820,603.44 × 379,774.56
  4. Step 4: Simplify right side
    594,860.54x = 311,644,310,360.49
  5. Step 5: Solve for x
    x = 311,644,310,360.49/594,860.54
  6. Step 6: Final answer
    x = 523,894.74

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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.