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Finding the Fourth Proportional to 448,196.99, 618,489.82 and 244,247.30

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Solution

The fourth proportional to 448,196.99, 618,489.82 and 244,247.30 is: 337,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,196.99 : 618,489.82 = 244,247.30 : x
  2. Step 2: Convert to fraction form
    448,196.99/618,489.82 = 244,247.30/x
  3. Step 3: Cross multiply
    448,196.99x = 618,489.82 × 244,247.30
  4. Step 4: Simplify right side
    448,196.99x = 151,064,464,909.42
  5. Step 5: Solve for x
    x = 151,064,464,909.42/448,196.99
  6. Step 6: Final answer
    x = 337,049.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.