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Finding the Fourth Proportional to 574,440.25, 792,701.96 and 329,249.24

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Solution

The fourth proportional to 574,440.25, 792,701.96 and 329,249.24 is: 454,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,440.25 : 792,701.96 = 329,249.24 : x
  2. Step 2: Convert to fraction form
    574,440.25/792,701.96 = 329,249.24/x
  3. Step 3: Cross multiply
    574,440.25x = 792,701.96 × 329,249.24
  4. Step 4: Simplify right side
    574,440.25x = 260,996,514,736.12
  5. Step 5: Solve for x
    x = 260,996,514,736.12/574,440.25
  6. Step 6: Final answer
    x = 454,349.28

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Double scale
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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.