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Finding the Fourth Proportional to 351,008.86, 484,392.29 and 189,863.86

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Solution

The fourth proportional to 351,008.86, 484,392.29 and 189,863.86 is: 262,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,008.86 : 484,392.29 = 189,863.86 : x
  2. Step 2: Convert to fraction form
    351,008.86/484,392.29 = 189,863.86/x
  3. Step 3: Cross multiply
    351,008.86x = 484,392.29 × 189,863.86
  4. Step 4: Simplify right side
    351,008.86x = 91,968,588,984.32
  5. Step 5: Solve for x
    x = 91,968,588,984.32/351,008.86
  6. Step 6: Final answer
    x = 262,012.16

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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.