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Finding the Fourth Proportional to 373,448.76, 560,422.20 and 193,699.86

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Solution

The fourth proportional to 373,448.76, 560,422.20 and 193,699.86 is: 290,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,448.76 : 560,422.20 = 193,699.86 : x
  2. Step 2: Convert to fraction form
    373,448.76/560,422.20 = 193,699.86/x
  3. Step 3: Cross multiply
    373,448.76x = 560,422.20 × 193,699.86
  4. Step 4: Simplify right side
    373,448.76x = 108,553,701,680.89
  5. Step 5: Solve for x
    x = 108,553,701,680.89/373,448.76
  6. Step 6: Final answer
    x = 290,678.97

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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.