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Finding the Fourth Proportional to 351,149.56, 484,582.75 and 190,001.05

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Solution

The fourth proportional to 351,149.56, 484,582.75 and 190,001.05 is: 262,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,149.56 : 484,582.75 = 190,001.05 : x
  2. Step 2: Convert to fraction form
    351,149.56/484,582.75 = 190,001.05/x
  3. Step 3: Cross multiply
    351,149.56x = 484,582.75 × 190,001.05
  4. Step 4: Simplify right side
    351,149.56x = 92,071,231,311.89
  5. Step 5: Solve for x
    x = 92,071,231,311.89/351,149.56
  6. Step 6: Final answer
    x = 262,199.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.