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Finding the Fourth Proportional to 323,595.72, 446,353.65 and 214,697.70

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Solution

The fourth proportional to 323,595.72, 446,353.65 and 214,697.70 is: 296,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,595.72 : 446,353.65 = 214,697.70 : x
  2. Step 2: Convert to fraction form
    323,595.72/446,353.65 = 214,697.70/x
  3. Step 3: Cross multiply
    323,595.72x = 446,353.65 × 214,697.70
  4. Step 4: Simplify right side
    323,595.72x = 95,831,102,041.61
  5. Step 5: Solve for x
    x = 95,831,102,041.61/323,595.72
  6. Step 6: Final answer
    x = 296,144.53

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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.