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Finding the Fourth Proportional to 568,485.40, 852,579.60 and 169,018.60

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Solution

The fourth proportional to 568,485.40, 852,579.60 and 169,018.60 is: 253,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,485.40 : 852,579.60 = 169,018.60 : x
  2. Step 2: Convert to fraction form
    568,485.40/852,579.60 = 169,018.60/x
  3. Step 3: Cross multiply
    568,485.40x = 852,579.60 × 169,018.60
  4. Step 4: Simplify right side
    568,485.40x = 144,101,810,380.56
  5. Step 5: Solve for x
    x = 144,101,810,380.56/568,485.40
  6. Step 6: Final answer
    x = 253,483.75

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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.