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Finding the Fourth Proportional to 594,665.36, 820,638.60 and 322,733.20

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Solution

The fourth proportional to 594,665.36, 820,638.60 and 322,733.20 is: 445,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,665.36 : 820,638.60 = 322,733.20 : x
  2. Step 2: Convert to fraction form
    594,665.36/820,638.60 = 322,733.20/x
  3. Step 3: Cross multiply
    594,665.36x = 820,638.60 × 322,733.20
  4. Step 4: Simplify right side
    594,665.36x = 264,847,321,421.52
  5. Step 5: Solve for x
    x = 264,847,321,421.52/594,665.36
  6. Step 6: Final answer
    x = 445,372.03

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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.