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Finding the Fourth Proportional to 322,499.42, 483,750.20 and 97,861.72

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Solution

The fourth proportional to 322,499.42, 483,750.20 and 97,861.72 is: 146,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,499.42 : 483,750.20 = 97,861.72 : x
  2. Step 2: Convert to fraction form
    322,499.42/483,750.20 = 97,861.72/x
  3. Step 3: Cross multiply
    322,499.42x = 483,750.20 × 97,861.72
  4. Step 4: Simplify right side
    322,499.42x = 47,340,623,714.28
  5. Step 5: Solve for x
    x = 47,340,623,714.28/322,499.42
  6. Step 6: Final answer
    x = 146,792.90

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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.