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Finding the Fourth Proportional to 584,544.42, 806,654.97 and 329,919.30

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Solution

The fourth proportional to 584,544.42, 806,654.97 and 329,919.30 is: 455,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,544.42 : 806,654.97 = 329,919.30 : x
  2. Step 2: Convert to fraction form
    584,544.42/806,654.97 = 329,919.30/x
  3. Step 3: Cross multiply
    584,544.42x = 806,654.97 × 329,919.30
  4. Step 4: Simplify right side
    584,544.42x = 266,131,043,043.92
  5. Step 5: Solve for x
    x = 266,131,043,043.92/584,544.42
  6. Step 6: Final answer
    x = 455,279.42

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Double scale
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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.