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Finding the Fourth Proportional to 590,965.64, 815,563.11 and 361,450.92

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Solution

The fourth proportional to 590,965.64, 815,563.11 and 361,450.92 is: 498,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,965.64 : 815,563.11 = 361,450.92 : x
  2. Step 2: Convert to fraction form
    590,965.64/815,563.11 = 361,450.92/x
  3. Step 3: Cross multiply
    590,965.64x = 815,563.11 × 361,450.92
  4. Step 4: Simplify right side
    590,965.64x = 294,786,036,427.56
  5. Step 5: Solve for x
    x = 294,786,036,427.56/590,965.64
  6. Step 6: Final answer
    x = 498,820.94

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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.