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Finding the Fourth Proportional to 605,086.11, 835,277.24 and 430,768.85

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Solution

The fourth proportional to 605,086.11, 835,277.24 and 430,768.85 is: 594,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,086.11 : 835,277.24 = 430,768.85 : x
  2. Step 2: Convert to fraction form
    605,086.11/835,277.24 = 430,768.85/x
  3. Step 3: Cross multiply
    605,086.11x = 835,277.24 × 430,768.85
  4. Step 4: Simplify right side
    605,086.11x = 359,811,413,006.51
  5. Step 5: Solve for x
    x = 359,811,413,006.51/605,086.11
  6. Step 6: Final answer
    x = 594,644.97

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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.