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Finding the Fourth Proportional to 373,272.21, 560,140.52 and 151,656.21

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Solution

The fourth proportional to 373,272.21, 560,140.52 and 151,656.21 is: 227,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,272.21 : 560,140.52 = 151,656.21 : x
  2. Step 2: Convert to fraction form
    373,272.21/560,140.52 = 151,656.21/x
  3. Step 3: Cross multiply
    373,272.21x = 560,140.52 × 151,656.21
  4. Step 4: Simplify right side
    373,272.21x = 84,948,787,572.35
  5. Step 5: Solve for x
    x = 84,948,787,572.35/373,272.21
  6. Step 6: Final answer
    x = 227,578.66

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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.