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Finding the Fourth Proportional to 579,887.76, 800,247.96 and 325,252.56

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Solution

The fourth proportional to 579,887.76, 800,247.96 and 325,252.56 is: 448,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,887.76 : 800,247.96 = 325,252.56 : x
  2. Step 2: Convert to fraction form
    579,887.76/800,247.96 = 325,252.56/x
  3. Step 3: Cross multiply
    579,887.76x = 800,247.96 × 325,252.56
  4. Step 4: Simplify right side
    579,887.76x = 260,282,697,624.78
  5. Step 5: Solve for x
    x = 260,282,697,624.78/579,887.76
  6. Step 6: Final answer
    x = 448,850.13

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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.