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Finding the Fourth Proportional to 594,561.06, 820,151.12 and 379,458.68

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Solution

The fourth proportional to 594,561.06, 820,151.12 and 379,458.68 is: 523,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,561.06 : 820,151.12 = 379,458.68 : x
  2. Step 2: Convert to fraction form
    594,561.06/820,151.12 = 379,458.68/x
  3. Step 3: Cross multiply
    594,561.06x = 820,151.12 × 379,458.68
  4. Step 4: Simplify right side
    594,561.06x = 311,213,458,243.61
  5. Step 5: Solve for x
    x = 311,213,458,243.61/594,561.06
  6. Step 6: Final answer
    x = 523,433.97

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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.