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Finding the Fourth Proportional to 504,780.98, 757,007.55 and 167,731.11

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Solution

The fourth proportional to 504,780.98, 757,007.55 and 167,731.11 is: 251,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,780.98 : 757,007.55 = 167,731.11 : x
  2. Step 2: Convert to fraction form
    504,780.98/757,007.55 = 167,731.11/x
  3. Step 3: Cross multiply
    504,780.98x = 757,007.55 × 167,731.11
  4. Step 4: Simplify right side
    504,780.98x = 126,973,716,639.88
  5. Step 5: Solve for x
    x = 126,973,716,639.88/504,780.98
  6. Step 6: Final answer
    x = 251,542.20

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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.