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Finding the Fourth Proportional to 483,902.10, 725,853.15 and 325,271.70

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Solution

The fourth proportional to 483,902.10, 725,853.15 and 325,271.70 is: 487,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,902.10 : 725,853.15 = 325,271.70 : x
  2. Step 2: Convert to fraction form
    483,902.10/725,853.15 = 325,271.70/x
  3. Step 3: Cross multiply
    483,902.10x = 725,853.15 × 325,271.70
  4. Step 4: Simplify right side
    483,902.10x = 236,099,488,050.86
  5. Step 5: Solve for x
    x = 236,099,488,050.86/483,902.10
  6. Step 6: Final answer
    x = 487,907.55

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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.