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Finding the Fourth Proportional to 950,548.13, 1,311,756.48 and 520,843.67

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Solution

The fourth proportional to 950,548.13, 1,311,756.48 and 520,843.67 is: 718,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,548.13 : 1,311,756.48 = 520,843.67 : x
  2. Step 2: Convert to fraction form
    950,548.13/1,311,756.48 = 520,843.67/x
  3. Step 3: Cross multiply
    950,548.13x = 1,311,756.48 × 520,843.67
  4. Step 4: Simplify right side
    950,548.13x = 683,220,059,189.48
  5. Step 5: Solve for x
    x = 683,220,059,189.48/950,548.13
  6. Step 6: Final answer
    x = 718,764.30

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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.