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Finding the Fourth Proportional to 366,956.70, 550,435.05 and 307,907.70

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Solution

The fourth proportional to 366,956.70, 550,435.05 and 307,907.70 is: 461,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,956.70 : 550,435.05 = 307,907.70 : x
  2. Step 2: Convert to fraction form
    366,956.70/550,435.05 = 307,907.70/x
  3. Step 3: Cross multiply
    366,956.70x = 550,435.05 × 307,907.70
  4. Step 4: Simplify right side
    366,956.70x = 169,483,190,244.89
  5. Step 5: Solve for x
    x = 169,483,190,244.89/366,956.70
  6. Step 6: Final answer
    x = 461,861.55

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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.