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Finding the Fourth Proportional to 374,002.56, 561,208 and 216,538.56

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Solution

The fourth proportional to 374,002.56, 561,208 and 216,538.56 is: 324,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,002.56 : 561,208 = 216,538.56 : x
  2. Step 2: Convert to fraction form
    374,002.56/561,208 = 216,538.56/x
  3. Step 3: Cross multiply
    374,002.56x = 561,208 × 216,538.56
  4. Step 4: Simplify right side
    374,002.56x = 121,523,172,180.48
  5. Step 5: Solve for x
    x = 121,523,172,180.48/374,002.56
  6. Step 6: Final answer
    x = 324,926.04

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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.