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Finding the Fourth Proportional to 373,223.40, 559,835.10 and 306,738.60

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Solution

The fourth proportional to 373,223.40, 559,835.10 and 306,738.60 is: 460,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,223.40 : 559,835.10 = 306,738.60 : x
  2. Step 2: Convert to fraction form
    373,223.40/559,835.10 = 306,738.60/x
  3. Step 3: Cross multiply
    373,223.40x = 559,835.10 × 306,738.60
  4. Step 4: Simplify right side
    373,223.40x = 171,723,034,804.86
  5. Step 5: Solve for x
    x = 171,723,034,804.86/373,223.40
  6. Step 6: Final answer
    x = 460,107.90

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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.