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Finding the Fourth Proportional to 632,859.87, 873,313.11 and 346,324.60

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Solution

The fourth proportional to 632,859.87, 873,313.11 and 346,324.60 is: 477,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,859.87 : 873,313.11 = 346,324.60 : x
  2. Step 2: Convert to fraction form
    632,859.87/873,313.11 = 346,324.60/x
  3. Step 3: Cross multiply
    632,859.87x = 873,313.11 × 346,324.60
  4. Step 4: Simplify right side
    632,859.87x = 302,449,813,495.51
  5. Step 5: Solve for x
    x = 302,449,813,495.51/632,859.87
  6. Step 6: Final answer
    x = 477,909.61

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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.