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Finding the Fourth Proportional to 632,890.45, 873,345 and 360,969.94

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Solution

The fourth proportional to 632,890.45, 873,345 and 360,969.94 is: 498,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,890.45 : 873,345 = 360,969.94 : x
  2. Step 2: Convert to fraction form
    632,890.45/873,345 = 360,969.94/x
  3. Step 3: Cross multiply
    632,890.45x = 873,345 × 360,969.94
  4. Step 4: Simplify right side
    632,890.45x = 315,251,292,249.30
  5. Step 5: Solve for x
    x = 315,251,292,249.30/632,890.45
  6. Step 6: Final answer
    x = 498,113.52

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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.