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Finding the Fourth Proportional to 594,489.72, 820,394.68 and 322,557.54

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Solution

The fourth proportional to 594,489.72, 820,394.68 and 322,557.54 is: 445,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,489.72 : 820,394.68 = 322,557.54 : x
  2. Step 2: Convert to fraction form
    594,489.72/820,394.68 = 322,557.54/x
  3. Step 3: Cross multiply
    594,489.72x = 820,394.68 × 322,557.54
  4. Step 4: Simplify right side
    594,489.72x = 264,624,489,809.89
  5. Step 5: Solve for x
    x = 264,624,489,809.89/594,489.72
  6. Step 6: Final answer
    x = 445,128.79

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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.