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Finding the Fourth Proportional to 346,814.21, 519,906.04 and 133,446.04

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Solution

The fourth proportional to 346,814.21, 519,906.04 and 133,446.04 is: 200,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,814.21 : 519,906.04 = 133,446.04 : x
  2. Step 2: Convert to fraction form
    346,814.21/519,906.04 = 133,446.04/x
  3. Step 3: Cross multiply
    346,814.21x = 519,906.04 × 133,446.04
  4. Step 4: Simplify right side
    346,814.21x = 69,379,400,576.70
  5. Step 5: Solve for x
    x = 69,379,400,576.70/346,814.21
  6. Step 6: Final answer
    x = 200,047.74

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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.