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Finding the Fourth Proportional to 950,563.34, 1,311,777.06 and 520,859.78

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Solution

The fourth proportional to 950,563.34, 1,311,777.06 and 520,859.78 is: 718,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,563.34 : 1,311,777.06 = 520,859.78 : x
  2. Step 2: Convert to fraction form
    950,563.34/1,311,777.06 = 520,859.78/x
  3. Step 3: Cross multiply
    950,563.34x = 1,311,777.06 × 520,859.78
  4. Step 4: Simplify right side
    950,563.34x = 683,251,910,880.65
  5. Step 5: Solve for x
    x = 683,251,910,880.65/950,563.34
  6. Step 6: Final answer
    x = 718,786.31

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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.