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Finding the Fourth Proportional to 479,098.68, 661,186.44 and 264,239.16

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Solution

The fourth proportional to 479,098.68, 661,186.44 and 264,239.16 is: 364,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,098.68 : 661,186.44 = 264,239.16 : x
  2. Step 2: Convert to fraction form
    479,098.68/661,186.44 = 264,239.16/x
  3. Step 3: Cross multiply
    479,098.68x = 661,186.44 × 264,239.16
  4. Step 4: Simplify right side
    479,098.68x = 174,711,349,508.99
  5. Step 5: Solve for x
    x = 174,711,349,508.99/479,098.68
  6. Step 6: Final answer
    x = 364,666.73

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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.