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Finding the Fourth Proportional to 574,879.44, 793,358.15 and 320,230.74

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Solution

The fourth proportional to 574,879.44, 793,358.15 and 320,230.74 is: 441,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,879.44 : 793,358.15 = 320,230.74 : x
  2. Step 2: Convert to fraction form
    574,879.44/793,358.15 = 320,230.74/x
  3. Step 3: Cross multiply
    574,879.44x = 793,358.15 × 320,230.74
  4. Step 4: Simplify right side
    574,879.44x = 254,057,665,858.38
  5. Step 5: Solve for x
    x = 254,057,665,858.38/574,879.44
  6. Step 6: Final answer
    x = 441,932.08

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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.