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Finding the Fourth Proportional to 595,487.61, 821,809.67 and 340,832.97

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Solution

The fourth proportional to 595,487.61, 821,809.67 and 340,832.97 is: 470,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,487.61 : 821,809.67 = 340,832.97 : x
  2. Step 2: Convert to fraction form
    595,487.61/821,809.67 = 340,832.97/x
  3. Step 3: Cross multiply
    595,487.61x = 821,809.67 × 340,832.97
  4. Step 4: Simplify right side
    595,487.61x = 280,099,828,896.66
  5. Step 5: Solve for x
    x = 280,099,828,896.66/595,487.61
  6. Step 6: Final answer
    x = 470,370.54

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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.