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Finding the Fourth Proportional to 291,477.87, 437,216.90 and 225,015.03

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Solution

The fourth proportional to 291,477.87, 437,216.90 and 225,015.03 is: 337,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,477.87 : 437,216.90 = 225,015.03 : x
  2. Step 2: Convert to fraction form
    291,477.87/437,216.90 = 225,015.03/x
  3. Step 3: Cross multiply
    291,477.87x = 437,216.90 × 225,015.03
  4. Step 4: Simplify right side
    291,477.87x = 98,380,372,744.93
  5. Step 5: Solve for x
    x = 98,380,372,744.93/291,477.87
  6. Step 6: Final answer
    x = 337,522.61

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1.5x scale

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.