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Finding the Fourth Proportional to 304,059.60, 419,715 and 183,207.60

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Solution

The fourth proportional to 304,059.60, 419,715 and 183,207.60 is: 252,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,059.60 : 419,715 = 183,207.60 : x
  2. Step 2: Convert to fraction form
    304,059.60/419,715 = 183,207.60/x
  3. Step 3: Cross multiply
    304,059.60x = 419,715 × 183,207.60
  4. Step 4: Simplify right side
    304,059.60x = 76,894,977,834
  5. Step 5: Solve for x
    x = 76,894,977,834/304,059.60
  6. Step 6: Final answer
    x = 252,894.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.