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Finding the Fourth Proportional to 277,604.58, 416,344.58 and 127,700.90

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Solution

The fourth proportional to 277,604.58, 416,344.58 and 127,700.90 is: 191,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,604.58 : 416,344.58 = 127,700.90 : x
  2. Step 2: Convert to fraction form
    277,604.58/416,344.58 = 127,700.90/x
  3. Step 3: Cross multiply
    277,604.58x = 416,344.58 × 127,700.90
  4. Step 4: Simplify right side
    277,604.58x = 53,167,577,576.12
  5. Step 5: Solve for x
    x = 53,167,577,576.12/277,604.58
  6. Step 6: Final answer
    x = 191,522.70

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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.