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Finding the Fourth Proportional to 479,628.03, 661,888.32 and 264,767.61

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Solution

The fourth proportional to 479,628.03, 661,888.32 and 264,767.61 is: 365,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,628.03 : 661,888.32 = 264,767.61 : x
  2. Step 2: Convert to fraction form
    479,628.03/661,888.32 = 264,767.61/x
  3. Step 3: Cross multiply
    479,628.03x = 661,888.32 × 264,767.61
  4. Step 4: Simplify right side
    479,628.03x = 175,246,588,573.32
  5. Step 5: Solve for x
    x = 175,246,588,573.32/479,628.03
  6. Step 6: Final answer
    x = 365,380.21

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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.