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Finding the Fourth Proportional to 471,625.90, 651,063.10 and 277,972.52

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Solution

The fourth proportional to 471,625.90, 651,063.10 and 277,972.52 is: 383,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,625.90 : 651,063.10 = 277,972.52 : x
  2. Step 2: Convert to fraction form
    471,625.90/651,063.10 = 277,972.52/x
  3. Step 3: Cross multiply
    471,625.90x = 651,063.10 × 277,972.52
  4. Step 4: Simplify right side
    471,625.90x = 180,977,650,586.01
  5. Step 5: Solve for x
    x = 180,977,650,586.01/471,625.90
  6. Step 6: Final answer
    x = 383,731.37

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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.