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Finding the Fourth Proportional to 363,911.10, 546,061.05 and 164,262.30

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Solution

The fourth proportional to 363,911.10, 546,061.05 and 164,262.30 is: 246,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,911.10 : 546,061.05 = 164,262.30 : x
  2. Step 2: Convert to fraction form
    363,911.10/546,061.05 = 164,262.30/x
  3. Step 3: Cross multiply
    363,911.10x = 546,061.05 × 164,262.30
  4. Step 4: Simplify right side
    363,911.10x = 89,697,244,013.42
  5. Step 5: Solve for x
    x = 89,697,244,013.42/363,911.10
  6. Step 6: Final answer
    x = 246,481.20

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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.