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Finding the Fourth Proportional to 474,768.63, 655,192.25 and 259,908.03

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Solution

The fourth proportional to 474,768.63, 655,192.25 and 259,908.03 is: 358,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,768.63 : 655,192.25 = 259,908.03 : x
  2. Step 2: Convert to fraction form
    474,768.63/655,192.25 = 259,908.03/x
  3. Step 3: Cross multiply
    474,768.63x = 655,192.25 × 259,908.03
  4. Step 4: Simplify right side
    474,768.63x = 170,289,725,669.23
  5. Step 5: Solve for x
    x = 170,289,725,669.23/474,768.63
  6. Step 6: Final answer
    x = 358,679.40

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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.