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Finding the Fourth Proportional to 451,201.11, 622,657.54 and 249,997.11

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Solution

The fourth proportional to 451,201.11, 622,657.54 and 249,997.11 is: 344,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,201.11 : 622,657.54 = 249,997.11 : x
  2. Step 2: Convert to fraction form
    451,201.11/622,657.54 = 249,997.11/x
  3. Step 3: Cross multiply
    451,201.11x = 622,657.54 × 249,997.11
  4. Step 4: Simplify right side
    451,201.11x = 155,662,585,519.71
  5. Step 5: Solve for x
    x = 155,662,585,519.71/451,201.11
  6. Step 6: Final answer
    x = 344,996.02

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1.5x scale

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.