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Finding the Fourth Proportional to 565,536.25, 848,296.96 and 139,075.75

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Solution

The fourth proportional to 565,536.25, 848,296.96 and 139,075.75 is: 208,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,536.25 : 848,296.96 = 139,075.75 : x
  2. Step 2: Convert to fraction form
    565,536.25/848,296.96 = 139,075.75/x
  3. Step 3: Cross multiply
    565,536.25x = 848,296.96 × 139,075.75
  4. Step 4: Simplify right side
    565,536.25x = 117,977,535,934.72
  5. Step 5: Solve for x
    x = 117,977,535,934.72/565,536.25
  6. Step 6: Final answer
    x = 208,611.80

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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.