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Finding the Fourth Proportional to 565,644, 848,421.60 and 328,835.52

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Solution

The fourth proportional to 565,644, 848,421.60 and 328,835.52 is: 493,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,644 : 848,421.60 = 328,835.52 : x
  2. Step 2: Convert to fraction form
    565,644/848,421.60 = 328,835.52/x
  3. Step 3: Cross multiply
    565,644x = 848,421.60 × 328,835.52
  4. Step 4: Simplify right side
    565,644x = 278,991,158,015.23
  5. Step 5: Solve for x
    x = 278,991,158,015.23/565,644
  6. Step 6: Final answer
    x = 493,227.47

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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.