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Finding the Fourth Proportional to 453,818.68, 681,889.86 and 342,546.85

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Solution

The fourth proportional to 453,818.68, 681,889.86 and 342,546.85 is: 514,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,818.68 : 681,889.86 = 342,546.85 : x
  2. Step 2: Convert to fraction form
    453,818.68/681,889.86 = 342,546.85/x
  3. Step 3: Cross multiply
    453,818.68x = 681,889.86 × 342,546.85
  4. Step 4: Simplify right side
    453,818.68x = 233,579,223,589.94
  5. Step 5: Solve for x
    x = 233,579,223,589.94/453,818.68
  6. Step 6: Final answer
    x = 514,697.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.