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Finding the Fourth Proportional to 594,980.09, 820,768.31 and 379,894.01

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Solution

The fourth proportional to 594,980.09, 820,768.31 and 379,894.01 is: 524,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,980.09 : 820,768.31 = 379,894.01 : x
  2. Step 2: Convert to fraction form
    594,980.09/820,768.31 = 379,894.01/x
  3. Step 3: Cross multiply
    594,980.09x = 820,768.31 × 379,894.01
  4. Step 4: Simplify right side
    594,980.09x = 311,804,961,412.72
  5. Step 5: Solve for x
    x = 311,804,961,412.72/594,980.09
  6. Step 6: Final answer
    x = 524,059.49

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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.