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Finding the Fourth Proportional to 565,431.27, 848,188.08 and 210,445.17

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Solution

The fourth proportional to 565,431.27, 848,188.08 and 210,445.17 is: 315,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,431.27 : 848,188.08 = 210,445.17 : x
  2. Step 2: Convert to fraction form
    565,431.27/848,188.08 = 210,445.17/x
  3. Step 3: Cross multiply
    565,431.27x = 848,188.08 × 210,445.17
  4. Step 4: Simplify right side
    565,431.27x = 178,497,084,687.57
  5. Step 5: Solve for x
    x = 178,497,084,687.57/565,431.27
  6. Step 6: Final answer
    x = 315,683.08

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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.