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Finding the Fourth Proportional to 336,004.20, 504,006.30 and 252,023.40

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Solution

The fourth proportional to 336,004.20, 504,006.30 and 252,023.40 is: 378,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,004.20 : 504,006.30 = 252,023.40 : x
  2. Step 2: Convert to fraction form
    336,004.20/504,006.30 = 252,023.40/x
  3. Step 3: Cross multiply
    336,004.20x = 504,006.30 × 252,023.40
  4. Step 4: Simplify right side
    336,004.20x = 127,021,381,347.42
  5. Step 5: Solve for x
    x = 127,021,381,347.42/336,004.20
  6. Step 6: Final answer
    x = 378,035.10

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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.