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Finding the Fourth Proportional to 373,968.86, 560,619.84 and 137,256.62

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Solution

The fourth proportional to 373,968.86, 560,619.84 and 137,256.62 is: 205,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,968.86 : 560,619.84 = 137,256.62 : x
  2. Step 2: Convert to fraction form
    373,968.86/560,619.84 = 137,256.62/x
  3. Step 3: Cross multiply
    373,968.86x = 560,619.84 × 137,256.62
  4. Step 4: Simplify right side
    373,968.86x = 76,948,784,343.34
  5. Step 5: Solve for x
    x = 76,948,784,343.34/373,968.86
  6. Step 6: Final answer
    x = 205,762.54

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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.