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Finding the Fourth Proportional to 479,384.75, 661,531.62 and 264,522.03

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Solution

The fourth proportional to 479,384.75, 661,531.62 and 264,522.03 is: 365,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,384.75 : 661,531.62 = 264,522.03 : x
  2. Step 2: Convert to fraction form
    479,384.75/661,531.62 = 264,522.03/x
  3. Step 3: Cross multiply
    479,384.75x = 661,531.62 × 264,522.03
  4. Step 4: Simplify right side
    479,384.75x = 174,989,687,031.59
  5. Step 5: Solve for x
    x = 174,989,687,031.59/479,384.75
  6. Step 6: Final answer
    x = 365,029.73

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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.