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Finding the Fourth Proportional to 565,564.60, 848,055.30 and 210,395.80

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Solution

The fourth proportional to 565,564.60, 848,055.30 and 210,395.80 is: 315,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,564.60 : 848,055.30 = 210,395.80 : x
  2. Step 2: Convert to fraction form
    565,564.60/848,055.30 = 210,395.80/x
  3. Step 3: Cross multiply
    565,564.60x = 848,055.30 × 210,395.80
  4. Step 4: Simplify right side
    565,564.60x = 178,427,273,287.74
  5. Step 5: Solve for x
    x = 178,427,273,287.74/565,564.60
  6. Step 6: Final answer
    x = 315,485.22

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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.