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Finding the Fourth Proportional to 291,777.43, 437,666.15 and 225,314.50

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Solution

The fourth proportional to 291,777.43, 437,666.15 and 225,314.50 is: 337,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,777.43 : 437,666.15 = 225,314.50 : x
  2. Step 2: Convert to fraction form
    291,777.43/437,666.15 = 225,314.50/x
  3. Step 3: Cross multiply
    291,777.43x = 437,666.15 × 225,314.50
  4. Step 4: Simplify right side
    291,777.43x = 98,612,529,754.18
  5. Step 5: Solve for x
    x = 98,612,529,754.18/291,777.43
  6. Step 6: Final answer
    x = 337,971.75

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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.