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Finding the Fourth Proportional to 337,772.72, 505,851.71 and 187,640.64

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Solution

The fourth proportional to 337,772.72, 505,851.71 and 187,640.64 is: 281,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,772.72 : 505,851.71 = 187,640.64 : x
  2. Step 2: Convert to fraction form
    337,772.72/505,851.71 = 187,640.64/x
  3. Step 3: Cross multiply
    337,772.72x = 505,851.71 × 187,640.64
  4. Step 4: Simplify right side
    337,772.72x = 94,918,337,671.29
  5. Step 5: Solve for x
    x = 94,918,337,671.29/337,772.72
  6. Step 6: Final answer
    x = 281,012.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.