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Finding the Fourth Proportional to 299,633.80, 449,741.90 and 233,790.60

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Solution

The fourth proportional to 299,633.80, 449,741.90 and 233,790.60 is: 350,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,633.80 : 449,741.90 = 233,790.60 : x
  2. Step 2: Convert to fraction form
    299,633.80/449,741.90 = 233,790.60/x
  3. Step 3: Cross multiply
    299,633.80x = 449,741.90 × 233,790.60
  4. Step 4: Simplify right side
    299,633.80x = 105,145,428,646.14
  5. Step 5: Solve for x
    x = 105,145,428,646.14/299,633.80
  6. Step 6: Final answer
    x = 350,913.11

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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.