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Finding the Fourth Proportional to 450,800, 622,123.44 and 249,596

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Solution

The fourth proportional to 450,800, 622,123.44 and 249,596 is: 344,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,800 : 622,123.44 = 249,596 : x
  2. Step 2: Convert to fraction form
    450,800/622,123.44 = 249,596/x
  3. Step 3: Cross multiply
    450,800x = 622,123.44 × 249,596
  4. Step 4: Simplify right side
    450,800x = 155,279,522,130.24
  5. Step 5: Solve for x
    x = 155,279,522,130.24/450,800
  6. Step 6: Final answer
    x = 344,453.24

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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.