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Finding the Fourth Proportional to 565,846.80, 848,242.84 and 388,437.36

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Solution

The fourth proportional to 565,846.80, 848,242.84 and 388,437.36 is: 582,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,846.80 : 848,242.84 = 388,437.36 : x
  2. Step 2: Convert to fraction form
    565,846.80/848,242.84 = 388,437.36/x
  3. Step 3: Cross multiply
    565,846.80x = 848,242.84 × 388,437.36
  4. Step 4: Simplify right side
    565,846.80x = 329,489,209,408.50
  5. Step 5: Solve for x
    x = 329,489,209,408.50/565,846.80
  6. Step 6: Final answer
    x = 582,294.02

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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.