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Finding the Fourth Proportional to 471,353.18, 650,467.53 and 256,488.62

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Solution

The fourth proportional to 471,353.18, 650,467.53 and 256,488.62 is: 353,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,353.18 : 650,467.53 = 256,488.62 : x
  2. Step 2: Convert to fraction form
    471,353.18/650,467.53 = 256,488.62/x
  3. Step 3: Cross multiply
    471,353.18x = 650,467.53 × 256,488.62
  4. Step 4: Simplify right side
    471,353.18x = 166,837,515,872.17
  5. Step 5: Solve for x
    x = 166,837,515,872.17/471,353.18
  6. Step 6: Final answer
    x = 353,954.37

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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.