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Finding the Fourth Proportional to 299,429.45, 446,852.58 and 267,480.71

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Solution

The fourth proportional to 299,429.45, 446,852.58 and 267,480.71 is: 399,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,429.45 : 446,852.58 = 267,480.71 : x
  2. Step 2: Convert to fraction form
    299,429.45/446,852.58 = 267,480.71/x
  3. Step 3: Cross multiply
    299,429.45x = 446,852.58 × 267,480.71
  4. Step 4: Simplify right side
    299,429.45x = 119,524,445,029.38
  5. Step 5: Solve for x
    x = 119,524,445,029.38/299,429.45
  6. Step 6: Final answer
    x = 399,173.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.