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Finding the Fourth Proportional to 2,917,369.40, 4,375,895.82 and 895,613.64

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Solution

The fourth proportional to 2,917,369.40, 4,375,895.82 and 895,613.64 is: 1,343,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,369.40 : 4,375,895.82 = 895,613.64 : x
  2. Step 2: Convert to fraction form
    2,917,369.40/4,375,895.82 = 895,613.64/x
  3. Step 3: Cross multiply
    2,917,369.40x = 4,375,895.82 × 895,613.64
  4. Step 4: Simplify right side
    2,917,369.40x = 3,919,111,983,610.99
  5. Step 5: Solve for x
    x = 3,919,111,983,610.99/2,917,369.40
  6. Step 6: Final answer
    x = 1,343,371.87

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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.