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Finding the Fourth Proportional to 525,954.60, 725,815.62 and 299,638.44

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Solution

The fourth proportional to 525,954.60, 725,815.62 and 299,638.44 is: 413,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,954.60 : 725,815.62 = 299,638.44 : x
  2. Step 2: Convert to fraction form
    525,954.60/725,815.62 = 299,638.44/x
  3. Step 3: Cross multiply
    525,954.60x = 725,815.62 × 299,638.44
  4. Step 4: Simplify right side
    525,954.60x = 217,482,260,104.43
  5. Step 5: Solve for x
    x = 217,482,260,104.43/525,954.60
  6. Step 6: Final answer
    x = 413,500.06

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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.