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Finding the Fourth Proportional to 336,038.40, 504,105.60 and 99,350.40

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Solution

The fourth proportional to 336,038.40, 504,105.60 and 99,350.40 is: 149,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,038.40 : 504,105.60 = 99,350.40 : x
  2. Step 2: Convert to fraction form
    336,038.40/504,105.60 = 99,350.40/x
  3. Step 3: Cross multiply
    336,038.40x = 504,105.60 × 99,350.40
  4. Step 4: Simplify right side
    336,038.40x = 50,083,093,002.24
  5. Step 5: Solve for x
    x = 50,083,093,002.24/336,038.40
  6. Step 6: Final answer
    x = 149,039.79

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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.