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Finding the Fourth Proportional to 565,439.87, 848,264.91 and 186,387.16

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Solution

The fourth proportional to 565,439.87, 848,264.91 and 186,387.16 is: 279,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,439.87 : 848,264.91 = 186,387.16 : x
  2. Step 2: Convert to fraction form
    565,439.87/848,264.91 = 186,387.16/x
  3. Step 3: Cross multiply
    565,439.87x = 848,264.91 × 186,387.16
  4. Step 4: Simplify right side
    565,439.87x = 158,105,686,273.44
  5. Step 5: Solve for x
    x = 158,105,686,273.44/565,439.87
  6. Step 6: Final answer
    x = 279,615.38

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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.