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Finding the Fourth Proportional to 468,432.42, 702,543.51 and 215,469.96

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Solution

The fourth proportional to 468,432.42, 702,543.51 and 215,469.96 is: 323,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,432.42 : 702,543.51 = 215,469.96 : x
  2. Step 2: Convert to fraction form
    468,432.42/702,543.51 = 215,469.96/x
  3. Step 3: Cross multiply
    468,432.42x = 702,543.51 × 215,469.96
  4. Step 4: Simplify right side
    468,432.42x = 151,377,019,363.42
  5. Step 5: Solve for x
    x = 151,377,019,363.42/468,432.42
  6. Step 6: Final answer
    x = 323,156.58

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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.