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Finding the Fourth Proportional to 479,318.36, 661,461.45 and 264,458.30

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Solution

The fourth proportional to 479,318.36, 661,461.45 and 264,458.30 is: 364,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,318.36 : 661,461.45 = 264,458.30 : x
  2. Step 2: Convert to fraction form
    479,318.36/661,461.45 = 264,458.30/x
  3. Step 3: Cross multiply
    479,318.36x = 661,461.45 × 264,458.30
  4. Step 4: Simplify right side
    479,318.36x = 174,928,970,582.54
  5. Step 5: Solve for x
    x = 174,928,970,582.54/479,318.36
  6. Step 6: Final answer
    x = 364,953.62

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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.