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Finding the Fourth Proportional to 483,310.08, 725,264.52 and 281,001.40

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Solution

The fourth proportional to 483,310.08, 725,264.52 and 281,001.40 is: 421,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,310.08 : 725,264.52 = 281,001.40 : x
  2. Step 2: Convert to fraction form
    483,310.08/725,264.52 = 281,001.40/x
  3. Step 3: Cross multiply
    483,310.08x = 725,264.52 × 281,001.40
  4. Step 4: Simplify right side
    483,310.08x = 203,800,345,490.33
  5. Step 5: Solve for x
    x = 203,800,345,490.33/483,310.08
  6. Step 6: Final answer
    x = 421,676.17

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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.