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Finding the Fourth Proportional to 345,324.80, 476,621.70 and 232,081.94

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Solution

The fourth proportional to 345,324.80, 476,621.70 and 232,081.94 is: 320,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,324.80 : 476,621.70 = 232,081.94 : x
  2. Step 2: Convert to fraction form
    345,324.80/476,621.70 = 232,081.94/x
  3. Step 3: Cross multiply
    345,324.80x = 476,621.70 × 232,081.94
  4. Step 4: Simplify right side
    345,324.80x = 110,615,288,782.10
  5. Step 5: Solve for x
    x = 110,615,288,782.10/345,324.80
  6. Step 6: Final answer
    x = 320,322.46

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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.