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Finding the Fourth Proportional to 479,045.80, 717,791.10 and 301,234.60

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Solution

The fourth proportional to 479,045.80, 717,791.10 and 301,234.60 is: 451,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,045.80 : 717,791.10 = 301,234.60 : x
  2. Step 2: Convert to fraction form
    479,045.80/717,791.10 = 301,234.60/x
  3. Step 3: Cross multiply
    479,045.80x = 717,791.10 × 301,234.60
  4. Step 4: Simplify right side
    479,045.80x = 216,223,514,892.06
  5. Step 5: Solve for x
    x = 216,223,514,892.06/479,045.80
  6. Step 6: Final answer
    x = 451,362.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.