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Finding the Fourth Proportional to 468,424.32, 646,387.91 and 264,524.85

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Solution

The fourth proportional to 468,424.32, 646,387.91 and 264,524.85 is: 365,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,424.32 : 646,387.91 = 264,524.85 : x
  2. Step 2: Convert to fraction form
    468,424.32/646,387.91 = 264,524.85/x
  3. Step 3: Cross multiply
    468,424.32x = 646,387.91 × 264,524.85
  4. Step 4: Simplify right side
    468,424.32x = 170,985,663,611.94
  5. Step 5: Solve for x
    x = 170,985,663,611.94/468,424.32
  6. Step 6: Final answer
    x = 365,023.03

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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.