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Finding the Fourth Proportional to 565,201.80, 848,458.80 and 340,815.60

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Solution

The fourth proportional to 565,201.80, 848,458.80 and 340,815.60 is: 511,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,201.80 : 848,458.80 = 340,815.60 : x
  2. Step 2: Convert to fraction form
    565,201.80/848,458.80 = 340,815.60/x
  3. Step 3: Cross multiply
    565,201.80x = 848,458.80 × 340,815.60
  4. Step 4: Simplify right side
    565,201.80x = 289,167,994,997.28
  5. Step 5: Solve for x
    x = 289,167,994,997.28/565,201.80
  6. Step 6: Final answer
    x = 511,619.03

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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.