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Finding the Fourth Proportional to 423,940.48, 585,031.30 and 232,949.77

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Solution

The fourth proportional to 423,940.48, 585,031.30 and 232,949.77 is: 321,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,940.48 : 585,031.30 = 232,949.77 : x
  2. Step 2: Convert to fraction form
    423,940.48/585,031.30 = 232,949.77/x
  3. Step 3: Cross multiply
    423,940.48x = 585,031.30 × 232,949.77
  4. Step 4: Simplify right side
    423,940.48x = 136,282,906,777.80
  5. Step 5: Solve for x
    x = 136,282,906,777.80/423,940.48
  6. Step 6: Final answer
    x = 321,467.08

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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.