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Finding the Fourth Proportional to 479,633.06, 661,895.22 and 264,772.64

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Solution

The fourth proportional to 479,633.06, 661,895.22 and 264,772.64 is: 365,387.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,633.06 : 661,895.22 = 264,772.64 : x
  2. Step 2: Convert to fraction form
    479,633.06/661,895.22 = 264,772.64/x
  3. Step 3: Cross multiply
    479,633.06x = 661,895.22 × 264,772.64
  4. Step 4: Simplify right side
    479,633.06x = 175,251,744,802.78
  5. Step 5: Solve for x
    x = 175,251,744,802.78/479,633.06
  6. Step 6: Final answer
    x = 365,387.12

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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.