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Finding the Fourth Proportional to 299,463.82, 449,515.55 and 166,308.32

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Solution

The fourth proportional to 299,463.82, 449,515.55 and 166,308.32 is: 249,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,463.82 : 449,515.55 = 166,308.32 : x
  2. Step 2: Convert to fraction form
    299,463.82/449,515.55 = 166,308.32/x
  3. Step 3: Cross multiply
    299,463.82x = 449,515.55 × 166,308.32
  4. Step 4: Simplify right side
    299,463.82x = 74,758,177,473.94
  5. Step 5: Solve for x
    x = 74,758,177,473.94/299,463.82
  6. Step 6: Final answer
    x = 249,640.10

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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.