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Finding the Fourth Proportional to 479,537.10, 661,714.06 and 264,663.32

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Solution

The fourth proportional to 479,537.10, 661,714.06 and 264,663.32 is: 365,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,537.10 : 661,714.06 = 264,663.32 : x
  2. Step 2: Convert to fraction form
    479,537.10/661,714.06 = 264,663.32/x
  3. Step 3: Cross multiply
    479,537.10x = 661,714.06 × 264,663.32
  4. Step 4: Simplify right side
    479,537.10x = 175,131,436,040.05
  5. Step 5: Solve for x
    x = 175,131,436,040.05/479,537.10
  6. Step 6: Final answer
    x = 365,209.36

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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.