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Finding the Fourth Proportional to 565,568.60, 848,061.30 and 210,399.80

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Solution

The fourth proportional to 565,568.60, 848,061.30 and 210,399.80 is: 315,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,568.60 : 848,061.30 = 210,399.80 : x
  2. Step 2: Convert to fraction form
    565,568.60/848,061.30 = 210,399.80/x
  3. Step 3: Cross multiply
    565,568.60x = 848,061.30 × 210,399.80
  4. Step 4: Simplify right side
    565,568.60x = 178,431,927,907.74
  5. Step 5: Solve for x
    x = 178,431,927,907.74/565,568.60
  6. Step 6: Final answer
    x = 315,491.22

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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.