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Finding the Fourth Proportional to 373,670.10, 560,505.15 and 215,714.03

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Solution

The fourth proportional to 373,670.10, 560,505.15 and 215,714.03 is: 323,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,670.10 : 560,505.15 = 215,714.03 : x
  2. Step 2: Convert to fraction form
    373,670.10/560,505.15 = 215,714.03/x
  3. Step 3: Cross multiply
    373,670.10x = 560,505.15 × 215,714.03
  4. Step 4: Simplify right side
    373,670.10x = 120,908,821,939.73
  5. Step 5: Solve for x
    x = 120,908,821,939.73/373,670.10
  6. Step 6: Final answer
    x = 323,571.04

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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.