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Finding the Fourth Proportional to 451,025.59, 622,416.05 and 247,072.03

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Solution

The fourth proportional to 451,025.59, 622,416.05 and 247,072.03 is: 340,959.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,025.59 : 622,416.05 = 247,072.03 : x
  2. Step 2: Convert to fraction form
    451,025.59/622,416.05 = 247,072.03/x
  3. Step 3: Cross multiply
    451,025.59x = 622,416.05 × 247,072.03
  4. Step 4: Simplify right side
    451,025.59x = 153,781,596,520.74
  5. Step 5: Solve for x
    x = 153,781,596,520.74/451,025.59
  6. Step 6: Final answer
    x = 340,959.81

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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.