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Finding the Fourth Proportional to 565,860.35, 848,790.75 and 139,404.47

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Solution

The fourth proportional to 565,860.35, 848,790.75 and 139,404.47 is: 209,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,860.35 : 848,790.75 = 139,404.47 : x
  2. Step 2: Convert to fraction form
    565,860.35/848,790.75 = 139,404.47/x
  3. Step 3: Cross multiply
    565,860.35x = 848,790.75 × 139,404.47
  4. Step 4: Simplify right side
    565,860.35x = 118,325,223,845.05
  5. Step 5: Solve for x
    x = 118,325,223,845.05/565,860.35
  6. Step 6: Final answer
    x = 209,106.76

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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.