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Finding the Fourth Proportional to 451,202.73, 622,659.78 and 249,998.73

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Solution

The fourth proportional to 451,202.73, 622,659.78 and 249,998.73 is: 344,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,202.73 : 622,659.78 = 249,998.73 : x
  2. Step 2: Convert to fraction form
    451,202.73/622,659.78 = 249,998.73/x
  3. Step 3: Cross multiply
    451,202.73x = 622,659.78 × 249,998.73
  4. Step 4: Simplify right side
    451,202.73x = 155,664,154,222.08
  5. Step 5: Solve for x
    x = 155,664,154,222.08/451,202.73
  6. Step 6: Final answer
    x = 344,998.25

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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.