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Finding the Fourth Proportional to 416,797.16, 625,130.28 and 132,450.25

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Solution

The fourth proportional to 416,797.16, 625,130.28 and 132,450.25 is: 198,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,797.16 : 625,130.28 = 132,450.25 : x
  2. Step 2: Convert to fraction form
    416,797.16/625,130.28 = 132,450.25/x
  3. Step 3: Cross multiply
    416,797.16x = 625,130.28 × 132,450.25
  4. Step 4: Simplify right side
    416,797.16x = 82,798,663,100.27
  5. Step 5: Solve for x
    x = 82,798,663,100.27/416,797.16
  6. Step 6: Final answer
    x = 198,654.58

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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.