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Finding the Fourth Proportional to 364,626.70, 546,940.05 and 231,657.10

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Solution

The fourth proportional to 364,626.70, 546,940.05 and 231,657.10 is: 347,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,626.70 : 546,940.05 = 231,657.10 : x
  2. Step 2: Convert to fraction form
    364,626.70/546,940.05 = 231,657.10/x
  3. Step 3: Cross multiply
    364,626.70x = 546,940.05 × 231,657.10
  4. Step 4: Simplify right side
    364,626.70x = 126,702,545,856.86
  5. Step 5: Solve for x
    x = 126,702,545,856.86/364,626.70
  6. Step 6: Final answer
    x = 347,485.65

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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.