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Finding the Fourth Proportional to 632,858.87, 873,311.73 and 346,323.60

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Solution

The fourth proportional to 632,858.87, 873,311.73 and 346,323.60 is: 477,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,858.87 : 873,311.73 = 346,323.60 : x
  2. Step 2: Convert to fraction form
    632,858.87/873,311.73 = 346,323.60/x
  3. Step 3: Cross multiply
    632,858.87x = 873,311.73 × 346,323.60
  4. Step 4: Simplify right side
    632,858.87x = 302,448,460,957.11
  5. Step 5: Solve for x
    x = 302,448,460,957.11/632,858.87
  6. Step 6: Final answer
    x = 477,908.23

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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.