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Finding the Fourth Proportional to 723,716.04, 998,759.82 and 401,404.44

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Solution

The fourth proportional to 723,716.04, 998,759.82 and 401,404.44 is: 553,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,716.04 : 998,759.82 = 401,404.44 : x
  2. Step 2: Convert to fraction form
    723,716.04/998,759.82 = 401,404.44/x
  3. Step 3: Cross multiply
    723,716.04x = 998,759.82 × 401,404.44
  4. Step 4: Simplify right side
    723,716.04x = 400,906,626,241.60
  5. Step 5: Solve for x
    x = 400,906,626,241.60/723,716.04
  6. Step 6: Final answer
    x = 553,955.70

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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.