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Finding the Fourth Proportional to 451,030.08, 622,422.27 and 247,076.54

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Solution

The fourth proportional to 451,030.08, 622,422.27 and 247,076.54 is: 340,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,030.08 : 622,422.27 = 247,076.54 : x
  2. Step 2: Convert to fraction form
    451,030.08/622,422.27 = 247,076.54/x
  3. Step 3: Cross multiply
    451,030.08x = 622,422.27 × 247,076.54
  4. Step 4: Simplify right side
    451,030.08x = 153,785,937,778.43
  5. Step 5: Solve for x
    x = 153,785,937,778.43/451,030.08
  6. Step 6: Final answer
    x = 340,966.03

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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.