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Finding the Fourth Proportional to 483,331.50, 667,008.09 and 265,543.02

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Solution

The fourth proportional to 483,331.50, 667,008.09 and 265,543.02 is: 366,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,331.50 : 667,008.09 = 265,543.02 : x
  2. Step 2: Convert to fraction form
    483,331.50/667,008.09 = 265,543.02/x
  3. Step 3: Cross multiply
    483,331.50x = 667,008.09 × 265,543.02
  4. Step 4: Simplify right side
    483,331.50x = 177,119,342,583.03
  5. Step 5: Solve for x
    x = 177,119,342,583.03/483,331.50
  6. Step 6: Final answer
    x = 366,455.20

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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.