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Finding the Fourth Proportional to 907,483.68, 1,361,175.84 and 276,344.64

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Solution

The fourth proportional to 907,483.68, 1,361,175.84 and 276,344.64 is: 414,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,483.68 : 1,361,175.84 = 276,344.64 : x
  2. Step 2: Convert to fraction form
    907,483.68/1,361,175.84 = 276,344.64/x
  3. Step 3: Cross multiply
    907,483.68x = 1,361,175.84 × 276,344.64
  4. Step 4: Simplify right side
    907,483.68x = 376,153,647,481.50
  5. Step 5: Solve for x
    x = 376,153,647,481.50/907,483.68
  6. Step 6: Final answer
    x = 414,501.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.