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Finding the Fourth Proportional to 479,665.17, 661,920.52 and 264,800.62

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Solution

The fourth proportional to 479,665.17, 661,920.52 and 264,800.62 is: 365,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,665.17 : 661,920.52 = 264,800.62 : x
  2. Step 2: Convert to fraction form
    479,665.17/661,920.52 = 264,800.62/x
  3. Step 3: Cross multiply
    479,665.17x = 661,920.52 × 264,800.62
  4. Step 4: Simplify right side
    479,665.17x = 175,276,964,086.72
  5. Step 5: Solve for x
    x = 175,276,964,086.72/479,665.17
  6. Step 6: Final answer
    x = 365,415.24

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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.