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Finding the Fourth Proportional to 451,164.90, 622,607.72 and 247,214.17

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Solution

The fourth proportional to 451,164.90, 622,607.72 and 247,214.17 is: 341,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,164.90 : 622,607.72 = 247,214.17 : x
  2. Step 2: Convert to fraction form
    451,164.90/622,607.72 = 247,214.17/x
  3. Step 3: Cross multiply
    451,164.90x = 622,607.72 × 247,214.17
  4. Step 4: Simplify right side
    451,164.90x = 153,917,450,735.39
  5. Step 5: Solve for x
    x = 153,917,450,735.39/451,164.90
  6. Step 6: Final answer
    x = 341,155.64

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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.