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Finding the Fourth Proportional to 574,845.74, 793,311.60 and 320,196.86

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Solution

The fourth proportional to 574,845.74, 793,311.60 and 320,196.86 is: 441,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,845.74 : 793,311.60 = 320,196.86 : x
  2. Step 2: Convert to fraction form
    574,845.74/793,311.60 = 320,196.86/x
  3. Step 3: Cross multiply
    574,845.74x = 793,311.60 × 320,196.86
  4. Step 4: Simplify right side
    574,845.74x = 254,015,879,355.02
  5. Step 5: Solve for x
    x = 254,015,879,355.02/574,845.74
  6. Step 6: Final answer
    x = 441,885.30

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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.