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Finding the Fourth Proportional to 479,714.85, 662,007.47 and 264,855.33

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Solution

The fourth proportional to 479,714.85, 662,007.47 and 264,855.33 is: 365,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,714.85 : 662,007.47 = 264,855.33 : x
  2. Step 2: Convert to fraction form
    479,714.85/662,007.47 = 264,855.33/x
  3. Step 3: Cross multiply
    479,714.85x = 662,007.47 × 264,855.33
  4. Step 4: Simplify right side
    479,714.85x = 175,336,206,929.32
  5. Step 5: Solve for x
    x = 175,336,206,929.32/479,714.85
  6. Step 6: Final answer
    x = 365,500.89

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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.