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Finding the Fourth Proportional to 435,486.50, 600,980.89 and 239,255.51

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Solution

The fourth proportional to 435,486.50, 600,980.89 and 239,255.51 is: 330,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,486.50 : 600,980.89 = 239,255.51 : x
  2. Step 2: Convert to fraction form
    435,486.50/600,980.89 = 239,255.51/x
  3. Step 3: Cross multiply
    435,486.50x = 600,980.89 × 239,255.51
  4. Step 4: Simplify right side
    435,486.50x = 143,787,989,337.20
  5. Step 5: Solve for x
    x = 143,787,989,337.20/435,486.50
  6. Step 6: Final answer
    x = 330,177.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.