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Finding the Fourth Proportional to 574,861.44, 793,333.32 and 320,212.80

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Solution

The fourth proportional to 574,861.44, 793,333.32 and 320,212.80 is: 441,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,861.44 : 793,333.32 = 320,212.80 : x
  2. Step 2: Convert to fraction form
    574,861.44/793,333.32 = 320,212.80/x
  3. Step 3: Cross multiply
    574,861.44x = 793,333.32 × 320,212.80
  4. Step 4: Simplify right side
    574,861.44x = 254,035,483,730.50
  5. Step 5: Solve for x
    x = 254,035,483,730.50/574,861.44
  6. Step 6: Final answer
    x = 441,907.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.