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Finding the Fourth Proportional to 504,811.07, 757,223.20 and 167,851.73

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Solution

The fourth proportional to 504,811.07, 757,223.20 and 167,851.73 is: 251,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,811.07 : 757,223.20 = 167,851.73 : x
  2. Step 2: Convert to fraction form
    504,811.07/757,223.20 = 167,851.73/x
  3. Step 3: Cross multiply
    504,811.07x = 757,223.20 × 167,851.73
  4. Step 4: Simplify right side
    504,811.07x = 127,101,221,959.63
  5. Step 5: Solve for x
    x = 127,101,221,959.63/504,811.07
  6. Step 6: Final answer
    x = 251,779.78

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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.