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Finding the Fourth Proportional to 461,327.84, 636,696 and 270,417.44

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Solution

The fourth proportional to 461,327.84, 636,696 and 270,417.44 is: 373,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,327.84 : 636,696 = 270,417.44 : x
  2. Step 2: Convert to fraction form
    461,327.84/636,696 = 270,417.44/x
  3. Step 3: Cross multiply
    461,327.84x = 636,696 × 270,417.44
  4. Step 4: Simplify right side
    461,327.84x = 172,173,702,378.24
  5. Step 5: Solve for x
    x = 172,173,702,378.24/461,327.84
  6. Step 6: Final answer
    x = 373,213.34

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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.