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Finding the Fourth Proportional to 565,588.80, 848,339.10 and 328,780.44

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Solution

The fourth proportional to 565,588.80, 848,339.10 and 328,780.44 is: 493,145.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,588.80 : 848,339.10 = 328,780.44 : x
  2. Step 2: Convert to fraction form
    565,588.80/848,339.10 = 328,780.44/x
  3. Step 3: Cross multiply
    565,588.80x = 848,339.10 × 328,780.44
  4. Step 4: Simplify right side
    565,588.80x = 278,917,302,567.20
  5. Step 5: Solve for x
    x = 278,917,302,567.20/565,588.80
  6. Step 6: Final answer
    x = 493,145.02

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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.