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Finding the Fourth Proportional to 355,260.20, 532,112.70 and 308,604.20

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Solution

The fourth proportional to 355,260.20, 532,112.70 and 308,604.20 is: 462,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,260.20 : 532,112.70 = 308,604.20 : x
  2. Step 2: Convert to fraction form
    355,260.20/532,112.70 = 308,604.20/x
  3. Step 3: Cross multiply
    355,260.20x = 532,112.70 × 308,604.20
  4. Step 4: Simplify right side
    355,260.20x = 164,212,214,093.34
  5. Step 5: Solve for x
    x = 164,212,214,093.34/355,260.20
  6. Step 6: Final answer
    x = 462,230.82

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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.