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Finding the Fourth Proportional to 594,564.44, 820,155.78 and 379,462.05

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Solution

The fourth proportional to 594,564.44, 820,155.78 and 379,462.05 is: 523,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,564.44 : 820,155.78 = 379,462.05 : x
  2. Step 2: Convert to fraction form
    594,564.44/820,155.78 = 379,462.05/x
  3. Step 3: Cross multiply
    594,564.44x = 820,155.78 × 379,462.05
  4. Step 4: Simplify right side
    594,564.44x = 311,217,993,598.15
  5. Step 5: Solve for x
    x = 311,217,993,598.15/594,564.44
  6. Step 6: Final answer
    x = 523,438.63

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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.