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Finding the Fourth Proportional to 331,766.16, 497,649.24 and 82,448.16

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Solution

The fourth proportional to 331,766.16, 497,649.24 and 82,448.16 is: 123,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,766.16 : 497,649.24 = 82,448.16 : x
  2. Step 2: Convert to fraction form
    331,766.16/497,649.24 = 82,448.16/x
  3. Step 3: Cross multiply
    331,766.16x = 497,649.24 × 82,448.16
  4. Step 4: Simplify right side
    331,766.16x = 41,030,264,163.40
  5. Step 5: Solve for x
    x = 41,030,264,163.40/331,766.16
  6. Step 6: Final answer
    x = 123,672.24

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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.