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Finding the Fourth Proportional to 609,903.71, 914,737.25 and 230,854.02

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Solution

The fourth proportional to 609,903.71, 914,737.25 and 230,854.02 is: 346,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,903.71 : 914,737.25 = 230,854.02 : x
  2. Step 2: Convert to fraction form
    609,903.71/914,737.25 = 230,854.02/x
  3. Step 3: Cross multiply
    609,903.71x = 914,737.25 × 230,854.02
  4. Step 4: Simplify right side
    609,903.71x = 211,170,768,553.12
  5. Step 5: Solve for x
    x = 211,170,768,553.12/609,903.71
  6. Step 6: Final answer
    x = 346,236.24

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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.