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Finding the Fourth Proportional to 471,670.43, 650,916.88 and 256,822.27

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Solution

The fourth proportional to 471,670.43, 650,916.88 and 256,822.27 is: 354,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,670.43 : 650,916.88 = 256,822.27 : x
  2. Step 2: Convert to fraction form
    471,670.43/650,916.88 = 256,822.27/x
  3. Step 3: Cross multiply
    471,670.43x = 650,916.88 × 256,822.27
  4. Step 4: Simplify right side
    471,670.43x = 167,169,948,433.57
  5. Step 5: Solve for x
    x = 167,169,948,433.57/471,670.43
  6. Step 6: Final answer
    x = 354,421.09

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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.