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Finding the Fourth Proportional to 351,425.10, 484,964.60 and 190,276.82

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Solution

The fourth proportional to 351,425.10, 484,964.60 and 190,276.82 is: 262,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,425.10 : 484,964.60 = 190,276.82 : x
  2. Step 2: Convert to fraction form
    351,425.10/484,964.60 = 190,276.82/x
  3. Step 3: Cross multiply
    351,425.10x = 484,964.60 × 190,276.82
  4. Step 4: Simplify right side
    351,425.10x = 92,277,521,900.57
  5. Step 5: Solve for x
    x = 92,277,521,900.57/351,425.10
  6. Step 6: Final answer
    x = 262,580.91

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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.