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Finding the Fourth Proportional to 299,813.99, 449,671.73 and 107,648.64

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Solution

The fourth proportional to 299,813.99, 449,671.73 and 107,648.64 is: 161,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,813.99 : 449,671.73 = 107,648.64 : x
  2. Step 2: Convert to fraction form
    299,813.99/449,671.73 = 107,648.64/x
  3. Step 3: Cross multiply
    299,813.99x = 449,671.73 × 107,648.64
  4. Step 4: Simplify right side
    299,813.99x = 48,406,549,642.70
  5. Step 5: Solve for x
    x = 48,406,549,642.70/299,813.99
  6. Step 6: Final answer
    x = 161,455.27

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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.