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Finding the Fourth Proportional to 609,219.72, 914,090.94 and 235,505.16

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Solution

The fourth proportional to 609,219.72, 914,090.94 and 235,505.16 is: 353,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,219.72 : 914,090.94 = 235,505.16 : x
  2. Step 2: Convert to fraction form
    609,219.72/914,090.94 = 235,505.16/x
  3. Step 3: Cross multiply
    609,219.72x = 914,090.94 × 235,505.16
  4. Step 4: Simplify right side
    609,219.72x = 215,273,133,079.25
  5. Step 5: Solve for x
    x = 215,273,133,079.25/609,219.72
  6. Step 6: Final answer
    x = 353,358.77

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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.