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Finding the Fourth Proportional to 565,662.70, 848,494.05 and 313,720.30

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Solution

The fourth proportional to 565,662.70, 848,494.05 and 313,720.30 is: 470,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,662.70 : 848,494.05 = 313,720.30 : x
  2. Step 2: Convert to fraction form
    565,662.70/848,494.05 = 313,720.30/x
  3. Step 3: Cross multiply
    565,662.70x = 848,494.05 × 313,720.30
  4. Step 4: Simplify right side
    565,662.70x = 266,189,807,914.22
  5. Step 5: Solve for x
    x = 266,189,807,914.22/565,662.70
  6. Step 6: Final answer
    x = 470,580.45

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Similar ratio
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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.