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Finding the Fourth Proportional to 451,156, 622,615.68 and 249,952

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Solution

The fourth proportional to 451,156, 622,615.68 and 249,952 is: 344,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,156 : 622,615.68 = 249,952 : x
  2. Step 2: Convert to fraction form
    451,156/622,615.68 = 249,952/x
  3. Step 3: Cross multiply
    451,156x = 622,615.68 × 249,952
  4. Step 4: Simplify right side
    451,156x = 155,624,034,447.36
  5. Step 5: Solve for x
    x = 155,624,034,447.36/451,156
  6. Step 6: Final answer
    x = 344,945.06

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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.