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Finding the Fourth Proportional to 450,996, 622,394.28 and 249,792

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Solution

The fourth proportional to 450,996, 622,394.28 and 249,792 is: 344,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,996 : 622,394.28 = 249,792 : x
  2. Step 2: Convert to fraction form
    450,996/622,394.28 = 249,792/x
  3. Step 3: Cross multiply
    450,996x = 622,394.28 × 249,792
  4. Step 4: Simplify right side
    450,996x = 155,469,111,989.76
  5. Step 5: Solve for x
    x = 155,469,111,989.76/450,996
  6. Step 6: Final answer
    x = 344,723.93

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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.