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Finding the Fourth Proportional to 479,098.94, 661,159.68 and 264,244.82

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Solution

The fourth proportional to 479,098.94, 661,159.68 and 264,244.82 is: 364,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,098.94 : 661,159.68 = 264,244.82 : x
  2. Step 2: Convert to fraction form
    479,098.94/661,159.68 = 264,244.82/x
  3. Step 3: Cross multiply
    479,098.94x = 661,159.68 × 264,244.82
  4. Step 4: Simplify right side
    479,098.94x = 174,708,020,632.86
  5. Step 5: Solve for x
    x = 174,708,020,632.86/479,098.94
  6. Step 6: Final answer
    x = 364,659.58

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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.