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Finding the Fourth Proportional to 453,629.45, 626,008.72 and 249,694.89

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Solution

The fourth proportional to 453,629.45, 626,008.72 and 249,694.89 is: 344,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,629.45 : 626,008.72 = 249,694.89 : x
  2. Step 2: Convert to fraction form
    453,629.45/626,008.72 = 249,694.89/x
  3. Step 3: Cross multiply
    453,629.45x = 626,008.72 × 249,694.89
  4. Step 4: Simplify right side
    453,629.45x = 156,311,178,479.44
  5. Step 5: Solve for x
    x = 156,311,178,479.44/453,629.45
  6. Step 6: Final answer
    x = 344,578.99

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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.