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Finding the Fourth Proportional to 351,205.86, 484,665.29 and 190,060.86

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Solution

The fourth proportional to 351,205.86, 484,665.29 and 190,060.86 is: 262,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,205.86 : 484,665.29 = 190,060.86 : x
  2. Step 2: Convert to fraction form
    351,205.86/484,665.29 = 190,060.86/x
  3. Step 3: Cross multiply
    351,205.86x = 484,665.29 × 190,060.86
  4. Step 4: Simplify right side
    351,205.86x = 92,115,900,879.25
  5. Step 5: Solve for x
    x = 92,115,900,879.25/351,205.86
  6. Step 6: Final answer
    x = 262,284.64

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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.