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Finding the Fourth Proportional to 345,151, 476,303.83 and 190,099.31

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Solution

The fourth proportional to 345,151, 476,303.83 and 190,099.31 is: 262,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,151 : 476,303.83 = 190,099.31 : x
  2. Step 2: Convert to fraction form
    345,151/476,303.83 = 190,099.31/x
  3. Step 3: Cross multiply
    345,151x = 476,303.83 × 190,099.31
  4. Step 4: Simplify right side
    345,151x = 90,545,029,433.36
  5. Step 5: Solve for x
    x = 90,545,029,433.36/345,151
  6. Step 6: Final answer
    x = 262,334.54

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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.