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Finding the Fourth Proportional to 291,998.85, 437,788 and 179,446.57

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Solution

The fourth proportional to 291,998.85, 437,788 and 179,446.57 is: 269,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,998.85 : 437,788 = 179,446.57 : x
  2. Step 2: Convert to fraction form
    291,998.85/437,788 = 179,446.57/x
  3. Step 3: Cross multiply
    291,998.85x = 437,788 × 179,446.57
  4. Step 4: Simplify right side
    291,998.85x = 78,559,554,987.16
  5. Step 5: Solve for x
    x = 78,559,554,987.16/291,998.85
  6. Step 6: Final answer
    x = 269,040.63

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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.