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Finding the Fourth Proportional to 565,591.30, 848,342.85 and 328,782.94

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Solution

The fourth proportional to 565,591.30, 848,342.85 and 328,782.94 is: 493,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,591.30 : 848,342.85 = 328,782.94 : x
  2. Step 2: Convert to fraction form
    565,591.30/848,342.85 = 328,782.94/x
  3. Step 3: Cross multiply
    565,591.30x = 848,342.85 × 328,782.94
  4. Step 4: Simplify right side
    565,591.30x = 278,920,656,350.98
  5. Step 5: Solve for x
    x = 278,920,656,350.98/565,591.30
  6. Step 6: Final answer
    x = 493,148.77

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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.