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Finding the Fourth Proportional to 448,330.53, 618,683.82 and 244,385.44

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Solution

The fourth proportional to 448,330.53, 618,683.82 and 244,385.44 is: 337,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,330.53 : 618,683.82 = 244,385.44 : x
  2. Step 2: Convert to fraction form
    448,330.53/618,683.82 = 244,385.44/x
  3. Step 3: Cross multiply
    448,330.53x = 618,683.82 × 244,385.44
  4. Step 4: Simplify right side
    448,330.53x = 151,197,317,571.58
  5. Step 5: Solve for x
    x = 151,197,317,571.58/448,330.53
  6. Step 6: Final answer
    x = 337,245.20

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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.