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Finding the Fourth Proportional to 416,483.52, 624,725.31 and 100,940.43

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Solution

The fourth proportional to 416,483.52, 624,725.31 and 100,940.43 is: 151,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,483.52 : 624,725.31 = 100,940.43 : x
  2. Step 2: Convert to fraction form
    416,483.52/624,725.31 = 100,940.43/x
  3. Step 3: Cross multiply
    416,483.52x = 624,725.31 × 100,940.43
  4. Step 4: Simplify right side
    416,483.52x = 63,060,040,062.66
  5. Step 5: Solve for x
    x = 63,060,040,062.66/416,483.52
  6. Step 6: Final answer
    x = 151,410.65

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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.