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Finding the Fourth Proportional to 479,664.92, 661,920.18 and 264,800.37

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Solution

The fourth proportional to 479,664.92, 661,920.18 and 264,800.37 is: 365,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,664.92 : 661,920.18 = 264,800.37 : x
  2. Step 2: Convert to fraction form
    479,664.92/661,920.18 = 264,800.37/x
  3. Step 3: Cross multiply
    479,664.92x = 661,920.18 × 264,800.37
  4. Step 4: Simplify right side
    479,664.92x = 175,276,708,574.47
  5. Step 5: Solve for x
    x = 175,276,708,574.47/479,664.92
  6. Step 6: Final answer
    x = 365,414.90

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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.