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Finding the Fourth Proportional to 496,242.36, 744,363.54 and 215,759.64

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Solution

The fourth proportional to 496,242.36, 744,363.54 and 215,759.64 is: 323,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,242.36 : 744,363.54 = 215,759.64 : x
  2. Step 2: Convert to fraction form
    496,242.36/744,363.54 = 215,759.64/x
  3. Step 3: Cross multiply
    496,242.36x = 744,363.54 × 215,759.64
  4. Step 4: Simplify right side
    496,242.36x = 160,603,609,419.53
  5. Step 5: Solve for x
    x = 160,603,609,419.53/496,242.36
  6. Step 6: Final answer
    x = 323,639.46

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Similar ratio
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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.