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Finding the Fourth Proportional to 521,757.54, 782,598.06 and 166,676.22

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Solution

The fourth proportional to 521,757.54, 782,598.06 and 166,676.22 is: 250,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,757.54 : 782,598.06 = 166,676.22 : x
  2. Step 2: Convert to fraction form
    521,757.54/782,598.06 = 166,676.22/x
  3. Step 3: Cross multiply
    521,757.54x = 782,598.06 × 166,676.22
  4. Step 4: Simplify right side
    521,757.54x = 130,440,486,420.13
  5. Step 5: Solve for x
    x = 130,440,486,420.13/521,757.54
  6. Step 6: Final answer
    x = 250,002.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.