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Finding the Fourth Proportional to 416,523.49, 624,787.28 and 100,980.39

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Solution

The fourth proportional to 416,523.49, 624,787.28 and 100,980.39 is: 151,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,523.49 : 624,787.28 = 100,980.39 : x
  2. Step 2: Convert to fraction form
    416,523.49/624,787.28 = 100,980.39/x
  3. Step 3: Cross multiply
    416,523.49x = 624,787.28 × 100,980.39
  4. Step 4: Simplify right side
    416,523.49x = 63,091,263,201.44
  5. Step 5: Solve for x
    x = 63,091,263,201.44/416,523.49
  6. Step 6: Final answer
    x = 151,471.08

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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.