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Finding the Fourth Proportional to 565,442.56, 848,268.94 and 186,389.85

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Solution

The fourth proportional to 565,442.56, 848,268.94 and 186,389.85 is: 279,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,442.56 : 848,268.94 = 186,389.85 : x
  2. Step 2: Convert to fraction form
    565,442.56/848,268.94 = 186,389.85/x
  3. Step 3: Cross multiply
    565,442.56x = 848,268.94 × 186,389.85
  4. Step 4: Simplify right side
    565,442.56x = 158,108,720,486.26
  5. Step 5: Solve for x
    x = 158,108,720,486.26/565,442.56
  6. Step 6: Final answer
    x = 279,619.42

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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.