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Finding the Fourth Proportional to 262,865.79, 361,606.95 and 230,454.45

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Solution

The fourth proportional to 262,865.79, 361,606.95 and 230,454.45 is: 317,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,865.79 : 361,606.95 = 230,454.45 : x
  2. Step 2: Convert to fraction form
    262,865.79/361,606.95 = 230,454.45/x
  3. Step 3: Cross multiply
    262,865.79x = 361,606.95 × 230,454.45
  4. Step 4: Simplify right side
    262,865.79x = 83,333,930,778.43
  5. Step 5: Solve for x
    x = 83,333,930,778.43/262,865.79
  6. Step 6: Final answer
    x = 317,020.83

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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.