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Finding the Fourth Proportional to 351,195.74, 484,650.13 and 190,050.78

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Solution

The fourth proportional to 351,195.74, 484,650.13 and 190,050.78 is: 262,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,195.74 : 484,650.13 = 190,050.78 : x
  2. Step 2: Convert to fraction form
    351,195.74/484,650.13 = 190,050.78/x
  3. Step 3: Cross multiply
    351,195.74x = 484,650.13 × 190,050.78
  4. Step 4: Simplify right side
    351,195.74x = 92,108,134,758.47
  5. Step 5: Solve for x
    x = 92,108,134,758.47/351,195.74
  6. Step 6: Final answer
    x = 262,270.08

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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.