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Finding the Fourth Proportional to 472,304.72, 708,460.27 and 172,662.03

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Solution

The fourth proportional to 472,304.72, 708,460.27 and 172,662.03 is: 258,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,304.72 : 708,460.27 = 172,662.03 : x
  2. Step 2: Convert to fraction form
    472,304.72/708,460.27 = 172,662.03/x
  3. Step 3: Cross multiply
    472,304.72x = 708,460.27 × 172,662.03
  4. Step 4: Simplify right side
    472,304.72x = 122,324,183,986.94
  5. Step 5: Solve for x
    x = 122,324,183,986.94/472,304.72
  6. Step 6: Final answer
    x = 258,994.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.