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Finding the Fourth Proportional to 479,269.38, 661,393.99 and 264,409.39

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Solution

The fourth proportional to 479,269.38, 661,393.99 and 264,409.39 is: 364,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,269.38 : 661,393.99 = 264,409.39 : x
  2. Step 2: Convert to fraction form
    479,269.38/661,393.99 = 264,409.39/x
  3. Step 3: Cross multiply
    479,269.38x = 661,393.99 × 264,409.39
  4. Step 4: Simplify right side
    479,269.38x = 174,878,782,602.82
  5. Step 5: Solve for x
    x = 174,878,782,602.82/479,269.38
  6. Step 6: Final answer
    x = 364,886.20

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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.