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Finding the Fourth Proportional to 350,994.75, 526,557.75 and 140,649.09

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Solution

The fourth proportional to 350,994.75, 526,557.75 and 140,649.09 is: 210,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,994.75 : 526,557.75 = 140,649.09 : x
  2. Step 2: Convert to fraction form
    350,994.75/526,557.75 = 140,649.09/x
  3. Step 3: Cross multiply
    350,994.75x = 526,557.75 × 140,649.09
  4. Step 4: Simplify right side
    350,994.75x = 74,059,868,369.95
  5. Step 5: Solve for x
    x = 74,059,868,369.95/350,994.75
  6. Step 6: Final answer
    x = 210,999.93

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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.