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Finding the Fourth Proportional to 579,963.84, 800,296.32 and 325,265.76

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Solution

The fourth proportional to 579,963.84, 800,296.32 and 325,265.76 is: 448,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,963.84 : 800,296.32 = 325,265.76 : x
  2. Step 2: Convert to fraction form
    579,963.84/800,296.32 = 325,265.76/x
  3. Step 3: Cross multiply
    579,963.84x = 800,296.32 × 325,265.76
  4. Step 4: Simplify right side
    579,963.84x = 260,308,990,750.00
  5. Step 5: Solve for x
    x = 260,308,990,750.00/579,963.84
  6. Step 6: Final answer
    x = 448,836.59

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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.