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Finding the Fourth Proportional to 453,836.32, 626,288.94 and 249,882.96

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Solution

The fourth proportional to 453,836.32, 626,288.94 and 249,882.96 is: 344,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,836.32 : 626,288.94 = 249,882.96 : x
  2. Step 2: Convert to fraction form
    453,836.32/626,288.94 = 249,882.96/x
  3. Step 3: Cross multiply
    453,836.32x = 626,288.94 × 249,882.96
  4. Step 4: Simplify right side
    453,836.32x = 156,498,934,142.46
  5. Step 5: Solve for x
    x = 156,498,934,142.46/453,836.32
  6. Step 6: Final answer
    x = 344,835.63

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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.