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Finding the Fourth Proportional to 584,589.40, 806,717.86 and 326,459.21

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Solution

The fourth proportional to 584,589.40, 806,717.86 and 326,459.21 is: 450,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,589.40 : 806,717.86 = 326,459.21 : x
  2. Step 2: Convert to fraction form
    584,589.40/806,717.86 = 326,459.21/x
  3. Step 3: Cross multiply
    584,589.40x = 806,717.86 × 326,459.21
  4. Step 4: Simplify right side
    584,589.40x = 263,360,470,418.75
  5. Step 5: Solve for x
    x = 263,360,470,418.75/584,589.40
  6. Step 6: Final answer
    x = 450,505.04

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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.