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Finding the Fourth Proportional to 474,936.98, 655,393.34 and 260,073.34

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Solution

The fourth proportional to 474,936.98, 655,393.34 and 260,073.34 is: 358,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,936.98 : 655,393.34 = 260,073.34 : x
  2. Step 2: Convert to fraction form
    474,936.98/655,393.34 = 260,073.34/x
  3. Step 3: Cross multiply
    474,936.98x = 655,393.34 × 260,073.34
  4. Step 4: Simplify right side
    474,936.98x = 170,450,333,959.26
  5. Step 5: Solve for x
    x = 170,450,333,959.26/474,936.98
  6. Step 6: Final answer
    x = 358,890.43

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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.