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Finding the Fourth Proportional to 437,410.97, 656,116.45 and 104,986.97

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Solution

The fourth proportional to 437,410.97, 656,116.45 and 104,986.97 is: 157,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,410.97 : 656,116.45 = 104,986.97 : x
  2. Step 2: Convert to fraction form
    437,410.97/656,116.45 = 104,986.97/x
  3. Step 3: Cross multiply
    437,410.97x = 656,116.45 × 104,986.97
  4. Step 4: Simplify right side
    437,410.97x = 68,883,677,560.60
  5. Step 5: Solve for x
    x = 68,883,677,560.60/437,410.97
  6. Step 6: Final answer
    x = 157,480.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.