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Finding the Fourth Proportional to 351,260.65, 484,741.02 and 190,115.74

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Solution

The fourth proportional to 351,260.65, 484,741.02 and 190,115.74 is: 262,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,260.65 : 484,741.02 = 190,115.74 : x
  2. Step 2: Convert to fraction form
    351,260.65/484,741.02 = 190,115.74/x
  3. Step 3: Cross multiply
    351,260.65x = 484,741.02 × 190,115.74
  4. Step 4: Simplify right side
    351,260.65x = 92,156,897,725.65
  5. Step 5: Solve for x
    x = 92,156,897,725.65/351,260.65
  6. Step 6: Final answer
    x = 262,360.44

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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.