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Finding the Fourth Proportional to 565,533.25, 848,292.46 and 139,072.75

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Solution

The fourth proportional to 565,533.25, 848,292.46 and 139,072.75 is: 208,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,533.25 : 848,292.46 = 139,072.75 : x
  2. Step 2: Convert to fraction form
    565,533.25/848,292.46 = 139,072.75/x
  3. Step 3: Cross multiply
    565,533.25x = 848,292.46 × 139,072.75
  4. Step 4: Simplify right side
    565,533.25x = 117,974,365,216.47
  5. Step 5: Solve for x
    x = 117,974,365,216.47/565,533.25
  6. Step 6: Final answer
    x = 208,607.30

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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.