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Finding the Fourth Proportional to 898,109.70, 1,347,682.95 and 337,200.90

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Solution

The fourth proportional to 898,109.70, 1,347,682.95 and 337,200.90 is: 505,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,109.70 : 1,347,682.95 = 337,200.90 : x
  2. Step 2: Convert to fraction form
    898,109.70/1,347,682.95 = 337,200.90/x
  3. Step 3: Cross multiply
    898,109.70x = 1,347,682.95 × 337,200.90
  4. Step 4: Simplify right side
    898,109.70x = 454,439,903,654.66
  5. Step 5: Solve for x
    x = 454,439,903,654.66/898,109.70
  6. Step 6: Final answer
    x = 505,995.99

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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.