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Finding the Fourth Proportional to 565,439.83, 848,148.05 and 186,383.32

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Solution

The fourth proportional to 565,439.83, 848,148.05 and 186,383.32 is: 279,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,439.83 : 848,148.05 = 186,383.32 : x
  2. Step 2: Convert to fraction form
    565,439.83/848,148.05 = 186,383.32/x
  3. Step 3: Cross multiply
    565,439.83x = 848,148.05 × 186,383.32
  4. Step 4: Simplify right side
    565,439.83x = 158,080,647,756.11
  5. Step 5: Solve for x
    x = 158,080,647,756.11/565,439.83
  6. Step 6: Final answer
    x = 279,571.12

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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.