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Finding the Fourth Proportional to 291,885.90, 437,828.85 and 134,246.94

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Solution

The fourth proportional to 291,885.90, 437,828.85 and 134,246.94 is: 201,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,885.90 : 437,828.85 = 134,246.94 : x
  2. Step 2: Convert to fraction form
    291,885.90/437,828.85 = 134,246.94/x
  3. Step 3: Cross multiply
    291,885.90x = 437,828.85 × 134,246.94
  4. Step 4: Simplify right side
    291,885.90x = 58,777,183,356.22
  5. Step 5: Solve for x
    x = 58,777,183,356.22/291,885.90
  6. Step 6: Final answer
    x = 201,370.41

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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.