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Finding the Fourth Proportional to 5,270,494.44, 7,905,658.50 and 1,676,209.44

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Solution

The fourth proportional to 5,270,494.44, 7,905,658.50 and 1,676,209.44 is: 2,514,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270,494.44 : 7,905,658.50 = 1,676,209.44 : x
  2. Step 2: Convert to fraction form
    5,270,494.44/7,905,658.50 = 1,676,209.44/x
  3. Step 3: Cross multiply
    5,270,494.44x = 7,905,658.50 × 1,676,209.44
  4. Step 4: Simplify right side
    5,270,494.44x = 13,251,539,407,116.24
  5. Step 5: Solve for x
    x = 13,251,539,407,116.24/5,270,494.44
  6. Step 6: Final answer
    x = 2,514,287.71

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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.