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Finding the Fourth Proportional to 622,793.10, 934,046.28 and 243,722.82

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Solution

The fourth proportional to 622,793.10, 934,046.28 and 243,722.82 is: 365,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,793.10 : 934,046.28 = 243,722.82 : x
  2. Step 2: Convert to fraction form
    622,793.10/934,046.28 = 243,722.82/x
  3. Step 3: Cross multiply
    622,793.10x = 934,046.28 × 243,722.82
  4. Step 4: Simplify right side
    622,793.10x = 227,648,393,372.11
  5. Step 5: Solve for x
    x = 227,648,393,372.11/622,793.10
  6. Step 6: Final answer
    x = 365,528.12

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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.