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Finding the Fourth Proportional to 479,576.29, 661,768.18 and 264,702.51

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Solution

The fourth proportional to 479,576.29, 661,768.18 and 264,702.51 is: 365,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,576.29 : 661,768.18 = 264,702.51 : x
  2. Step 2: Convert to fraction form
    479,576.29/661,768.18 = 264,702.51/x
  3. Step 3: Cross multiply
    479,576.29x = 661,768.18 × 264,702.51
  4. Step 4: Simplify right side
    479,576.29x = 175,171,699,276.80
  5. Step 5: Solve for x
    x = 175,171,699,276.80/479,576.29
  6. Step 6: Final answer
    x = 365,263.47

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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.