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Finding the Fourth Proportional to 594,663.86, 820,636.55 and 322,731.69

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Solution

The fourth proportional to 594,663.86, 820,636.55 and 322,731.69 is: 445,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,663.86 : 820,636.55 = 322,731.69 : x
  2. Step 2: Convert to fraction form
    594,663.86/820,636.55 = 322,731.69/x
  3. Step 3: Cross multiply
    594,663.86x = 820,636.55 × 322,731.69
  4. Step 4: Simplify right side
    594,663.86x = 264,845,419,043.61
  5. Step 5: Solve for x
    x = 264,845,419,043.61/594,663.86
  6. Step 6: Final answer
    x = 445,369.96

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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.