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Finding the Fourth Proportional to 351,387.42, 484,914.42 and 190,243.86

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Solution

The fourth proportional to 351,387.42, 484,914.42 and 190,243.86 is: 262,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,387.42 : 484,914.42 = 190,243.86 : x
  2. Step 2: Convert to fraction form
    351,387.42/484,914.42 = 190,243.86/x
  3. Step 3: Cross multiply
    351,387.42x = 484,914.42 × 190,243.86
  4. Step 4: Simplify right side
    351,387.42x = 92,251,991,030.46
  5. Step 5: Solve for x
    x = 92,251,991,030.46/351,387.42
  6. Step 6: Final answer
    x = 262,536.41

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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.