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Finding the Fourth Proportional to 544,715.60, 816,101.40 and 263,613.20

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Solution

The fourth proportional to 544,715.60, 816,101.40 and 263,613.20 is: 394,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,715.60 : 816,101.40 = 263,613.20 : x
  2. Step 2: Convert to fraction form
    544,715.60/816,101.40 = 263,613.20/x
  3. Step 3: Cross multiply
    544,715.60x = 816,101.40 × 263,613.20
  4. Step 4: Simplify right side
    544,715.60x = 215,135,101,578.48
  5. Step 5: Solve for x
    x = 215,135,101,578.48/544,715.60
  6. Step 6: Final answer
    x = 394,949.40

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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.