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Finding the Fourth Proportional to 453,834.82, 626,286.87 and 249,881.46

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Solution

The fourth proportional to 453,834.82, 626,286.87 and 249,881.46 is: 344,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,834.82 : 626,286.87 = 249,881.46 : x
  2. Step 2: Convert to fraction form
    453,834.82/626,286.87 = 249,881.46/x
  3. Step 3: Cross multiply
    453,834.82x = 626,286.87 × 249,881.46
  4. Step 4: Simplify right side
    453,834.82x = 156,497,477,454.43
  5. Step 5: Solve for x
    x = 156,497,477,454.43/453,834.82
  6. Step 6: Final answer
    x = 344,833.56

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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.