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Finding the Fourth Proportional to 496,062.84, 744,077.68 and 215,580.12

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Solution

The fourth proportional to 496,062.84, 744,077.68 and 215,580.12 is: 323,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,062.84 : 744,077.68 = 215,580.12 : x
  2. Step 2: Convert to fraction form
    496,062.84/744,077.68 = 215,580.12/x
  3. Step 3: Cross multiply
    496,062.84x = 744,077.68 × 215,580.12
  4. Step 4: Simplify right side
    496,062.84x = 160,408,355,543.72
  5. Step 5: Solve for x
    x = 160,408,355,543.72/496,062.84
  6. Step 6: Final answer
    x = 323,362.97

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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.